2024 Mindat org

Amphibole is a group of minerals with complex chemical compositions and diverse physical properties. They are important rock-forming minerals in many igneous and metamorphic rocks. Learn more about the amphibole supergroup, its classification, crystal structure, and occurrence at mindat.org, the world's largest mineral …The "mindat.org" link connects to the mindat data page for the current species. Most mineral species pages also have a link to a gallery of specimen photos from …In today’s digital age, where convenience and efficiency reign supreme, it comes as no surprise that more and more members of The Church of Jesus Christ of Latter-day Saints are op...This page lists the most recent photo galleries put together by members of mindat.org. Anyone can create their own gallery, log in, go to the …According to Education.org, a good teacher is someone who has an engaging personality, good communication skills and a passion for what they do. However there are many different op...The official website of The Church of Jesus Christ of Latter-day Saints, commonly known as LDS.org, is a valuable resource for members and non-members alike. The homepage of LDS.or...Website addresses that end in “org” are not for profit organizations. These sites contain information that is generally considered to be reliable. Planned Parenthood, the American ...Name in honor of Arie Poldervaart (6 July 1918, Bandung, Indonesia – 28 October 1964, Manhattan, New York, USA), petrologist at Columbia University, New York. He made important contributions to the understanding of the South African Karoo dolerites and Archean rocks in the Kakamas area of northwest Cape Province.Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ... Cinnabar is a mineral with a bright red color and a high mercury content. It is one of the three forms of mercury sulfide, along with metacinnabar and hypercinnabar. On mindat.org, you can find detailed information, data and localities of cinnabar, as well as stunning photos of cinnabar crystals from different regions of the world. Learn more about this fascinating and rare mineral on mindat.org. Steel-grey to black in crystals and massively crystalline ores, dull to bright "rust-red" in earthy, compact, fine-grained material. Originally named about 300-325 BCE by Theophrastus from the Greek, "αιματίτις λίθος" ("aematitis lithos") for "blood stone". It is possibly the first mineral ever named ending with a "-ite" suffix. "Apatite" is a field term for unidentified calcium phosphate members of the apatite group. Most "apatite" is fluorapatite, whereas hydroxylapatite is much less …Specific Gravity: 3.22. Crystal System: Monoclinic. Name: Named after Heikki Allen Väyrynen (1888-1956), professor of mineralogy, Technical High School, Helsinki (Finland). Type Locality: ⓘ Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland. The manganese-beryllium-phosphate väyrynenite was first recognized in 1939 as a ...North Carolina (/ˌkærəˈlaɪnə/, KARR-ə-LY-nə) is a state in the Southeastern region of the United States. The state is the 28th-largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and South Carolina to the south, and Tennessee to the west.Mindat.org is a non-commercial interactive online database covering minerals across the world. Originally created by Jolyon Ralph as a private project in 1993, it was …Type Locality: ⓘ Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy. Polymorph of: Dmisteinbergite, Stöfflerite, Svyatoslavite. Feldspar Group. Ca-rich end member of the plagioclase (Albite-Anorthite Series). High- and low-temperature structural modifications exist.There are currently 6,017 approved mineral species listed on mindat.org. What is a mineral? (for the longer answer, read this article) The IMA ( International …Originally described in the 19th century from the Slyudyanka phlogopite mines area, Lake Baikal, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Blue Diopside. Usually granular diopside forming monomineral zones in magnesium skarns in some regions of Prebaikalie.Type Locality: ⓘ Monzoni Mountains, Trento Province (Trentino), Trentino-Alto Adige (Trentino-South Tyrol), Italy. Gehlenite-Åkermanite Series. Chemically very similar to bicchulite and kamaishilite.Roselite Group. Name: Named in 1824 by Armand Levy in honor of German mineralogist Gustav Rose [March 18, 1798 Berlin, Germany – July 15, 1873 Berlin, Germany], Professor of Mineralogy, University of Berlin. Type Locality: ⓘ Rappold Mine, Neustädtel, Schneeberg, Erzgebirgskreis, Saxony, Germany. Dimorph of:In the world of business, there’s a slew of reasons why you may need an org chart. But while you can use different types of presentation software or specialty applications to creat...Mindat Fellows 2023. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your support to help encouage others to do the same. Fellows will be receiving benefits such as advanced priority access to new features, priority support and special VIP events. There are currently 6,017 approved mineral species listed on mindat.org. What is a mineral? (for the longer answer, read this article) The IMA (International Mineralogical Association) defined it as: “As Christians, we believe that we have been given responsibility over every little thing on this planet.” When evangelical environmentalists talk about climate change, they don’t ...Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...Specimen Photo Search. Enter a mineral/rock name (eg Almandine ), and part of a region name (eg Alaska) and this search will find all photos from localities within the region of that mineral. Select type of photo to search and either check all photos or select a subtype for the photos. Alternatively, enter a keyword or photograph type …Calcite Group. Often confused with Cobaltoan Calcite or Cobaltoan Dolomite. NOTE: This is the correct and approved IMA spelling ("sphaerocobaltite" is incorrect). Palache, Berman, and Frondel (1954) list this species as "cobaltocalite" and a confusion is common between the former "cobaltocalcite" and "cobaltoan calcite".Donate to Mindat Corporate Sponsorship Sponsor a Page Sponsored Pages Mindat Advertisers Advertise on Mindat. Learning Center What is a mineral? The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time.The most common simple iron oxide mineral. A weathering product of numerous iron-bearing minerals. Goethite may crystallize from a precursor - a not approved species called 'proto-goethite'. May also form due to mineralization of lichen ( Parmelia conspersa) thalli on metamorphics (e.g., gneisses), granites, feldspars.Named by James Dwight Dana in 1850 in honor of Arthur Connell [November 30, 1794, Edinburgh, Scotland - October 31, 1863], professor of chemistry at St Andrew's University, Edinburgh, Scotland, who first studied the mineral. Type Locality: ⓘ Wheal Providence, Providence Mines, Carbis Bay, St Ives, Cornwall, England, …版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。隐私政策 - 条款和条款细则 - 联络我们 - Report a bug/vulnerability Current … mindat.org Chalcopyrite Group. Chalcopyrite-Eskebornite Series. A major ore of copper. Common in sulfide veins and disseminated in igneous rocks. Weathering may lead to the formation of malachite, azurite, brochantite, langite and numerous other secondary copper minerals. mindat.orgErionite was first found at the Durkee Fire Opal Mine, Swayze Creek, Durkee, Baker Co., Oregon (Tschernich, 1992). In modern nomenclature, the original erionite was erionite-Na, but potassium was nearly equal to sodium. This name now refers to a group of related minerals. Erionite minerals have the average chemical formula Ca3K2Na2 …Mindat.org - Mines, Minerals and MoreAbout Brazilianite Hide. Chartreuse yellow, pale yellow, yellow green, colourless; coloured varieties are colourless in transmitted light. Named by Frederick Harvey Pough and Edward Porter Henderson in 1945 for the type locality country, Brazil, where it was first found. Visit gemdat.org for gemological information about …1993 to 2000. Before mindat.org was a website, it was a personal computer database project that Jolyon had written from scratch using the C++ programming language. It ran as a DOS application and also as an application on Jolyon's preferred Commodore Amiga computer. Jolyon was the only person who ever … Mindat.org is the world's leading website about minerals and where they come from. Andalusite is a silicate mineral that occurs in metamorphic rocks and has a distinctive cross-shaped crystal habit. Learn more about its properties, occurrence, and uses at mindat.org, the world's largest mineral database and reference website.Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...Are you a member of Kaiser Permanente and want to access your health information conveniently? Look no further than kp.org member login. This user-friendly online portal provides y... Originally described in the 19th century from the Slyudyanka phlogopite mines area, Lake Baikal, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Blue Diopside. Usually granular diopside forming monomineral zones in magnesium skarns in some regions of Prebaikalie. Mindat.org is a dynamic database, with new information, localities and photographs continuously being added, verified, and updated by thousands of members across …The calculation of the chemical composition is straight-forward. The molecular weight from the empirical formula divided by the sums of the atomic weights of each …Mindat.org is the world's leading website about minerals and where they come from. Tourmaline (synonymous with tourmaline group) comprises trigonal borosilicates of the cyclosilicate superclass. The nomenclature was revised by Henry et al. (2011). Notes on the general formula: - Additional cations are reported substituting in minor amounts for the principal cations of the G and D sites. Donate to Mindat Corporate Sponsorship Sponsor a Page Sponsored Pages Mindat Advertisers Advertise on Mindat. Learning Center What is a mineral? The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time.Type Locality: ⓘ Wheal Jane (Falmouth Consolidated Mines), Cornwall, England, UK. Isostructural with: Metaswitzerite, Sterlinghillite, Switzerite. A secondary phosphate mineral in complex granitic pegmatites; also found in polymetallic veins. Visit gemdat.org for gemological information about Ludlamite.Orthoclase: Mineral information, data and localities. - mindat.orgOrthoclase is a common potassium feldspar that forms igneous and metamorphic rocks. It has a monoclinic or triclinic crystal system and a hardness of 6. It shows perfect cleavage and a vitreous to pearly luster. Learn more about its properties, occurrence and …Are you curious about your family history? Do you want to learn more about your ancestors and where you come from? Look no further than FamilySearch.org, a free online platform tha... Eudialyte is a colorful and rare mineral that belongs to the Eudialyte Group. It is mainly found in alkaline and peralkaline rocks, and often contains rare-earth elements and zirconium. Learn more about its chemical formula, crystal structure, physical properties, and localities at mindat.org, the largest mineral database and reference website on the internet. Common Associates Hide. Associated Minerals Based on Photo Data: 20 photos of Fassaite associated with Pleonaste. (Mg,Fe)Al2O4. 17 photos of Fassaite associated with Vesuvianite. Ca19Fe3+Al4(Al6Mg2) ( 4) [Si2O7]4[ (SiO4)10]O (OH)9. 12 photos of Fassaite associated with Calcite. CaCO3. Diamond is a rare and valuable mineral composed of pure carbon. It has a hardness of 10 on Mohs scale and a high refractive index. It is often found in association with kimberlite, a volcanic rock that originates from the mantle. On mindat.org, you can learn more about the properties, occurrences, varieties and localities of diamond and other minerals.קאליפארניע, פאראייניקטע שטאטן פון אמעריקע. Kalifọ́rníà. Kaliforniya, Dewletê Amerikayê Yewbiyayey. Californië, Vereênigde Staeten. California, IMelika. NOTE: The bibliography for California mineralogy is very extensive. Only references pertaining to the entire state are presented here. Specific ...Ilmenite: Mineral information, data and localities. - mindat.orgIlmenite is a titanium-iron oxide mineral that is one of the main sources of titanium. It occurs in various geological settings, from igneous to metamorphic rocks. Learn more about its properties, occurrence, associations, and uses on mindat.org, the largest online … Tourmaline (synonymous with tourmaline group) comprises trigonal borosilicates of the cyclosilicate superclass. The nomenclature was revised by Henry et al. (2011). Notes on the general formula: - Additional cations are reported substituting in minor amounts for the principal cations of the G and D sites. Originally described in the 19th century from the Slyudyanka phlogopite mines area, Lake Baikal, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Blue Diopside. Usually granular diopside forming monomineral zones in magnesium skarns in some regions of Prebaikalie.Are you a member of Kaiser Permanente and want to access your health information conveniently? Look no further than kp.org member login. This user-friendly online portal provides y...mindat.orgName: From the Greek κύλιυδροσ, a roll, in allusion to the typical cylindrical habit of the mineral. Type Locality: ⓘ Santa Cruz Mine, Poopó, Poopó Province, Oruro, Bolivia. Cylindrite Group. There is a relation between the cylindrical morphology and crystal structure. The latter is composite and characterizes in incommensurate ...An unnecessary name for a manganoan variety of siderite, with up to 40% MnCO3 [Clark, 1993 - "Hey's Mineral Index"]. Obsolete name for a Mg-bearing variety of siderite with the Fe:Mg atomic ratio ranging from 70:30 to 50:50. Originally reported from Thurnberg Mt., Flachau, Radstadt, Salzburg, Austria.Although far superior celestine crystals were previously known from Sicily, they were thought to be barium-rich as the element strontium was not discovered until the late 1780s and not formally described until 1792. Type Locality: ⓘ Bell's Mill, Bellwood, Blair County, Pennsylvania, USA. Baryte Group.Internet Links for GirvasiteHide · mindat.org URL: https://www.mindat.org/min-1700.html. Please feel free to link to this page. · Search Engines: Look for ... Nearest Localities. This tool can help you search for nearby mineral localities. Please note that if you are running from a device without GPS (eg a normal computer or laptop) the 'Get my current location' option may either not work at all or give wildly inaccurate results. Please remember the 'Get my current location' option will, on a ... Calcite-Rhodochrosite Series. A very common and widespread mineral with highly variable forms and colours. Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties. NOTE on the unit cell and the Miller indices ... Mindat.org is the world's leading website about minerals and where they come from. Acanthite is the low-temperature modification of silver sulphide. All natural silver sulphide specimens at room temperatures are acanthite. The structure of Argentite, the high-temperature cubic (isometric) form cannot be quenched. At atmospheric pressure, argentite is stable above 177°C and acanthite is stable below 177°C.Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ... a trade name for any white feldspar with a blue schiller. Commonly microcline rarely orthoclase, and the plagioclase series. contains albite with its variety peristerite has moonstone's blue schiller Antiperthite and anorthoclase may show schiller similar to moonstone and have been lumped together in moonstone. North Carolina (/ˌkærəˈlaɪnə/, KARR-ə-LY-nə) is a state in the Southeastern region of the United States. The state is the 28th-largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and South Carolina to the south, and Tennessee to the west.Welcome to the new photo search tool on mindat.org. Enter a normal text string in the box above to search photos. Examples: search for a mineral: cuprite. search for a locality/region: from new jersey. search for a mineral at a locality: dioptase from tsumeb. search your own photos: my cuprite from namibia. list photos of the day: …A rhodian variety of Gold. Gold containing 34 to 43 weight percent Rh has been reported from Columbia & Mexico, but not confirmed. Silver- and mercury-bearing Gold. A variety of gold, containing up to 31 weight percent of silver and up to 15 weight percent of mercury. Compare also Unnamed (Ag-Au Amalgam).3 Oct 2019 ... It will be free, but more features will be unlocked if you have at least one sponsored locality - so get sponsoring. Also, the more donations we ... Search for Minerals in a Country/Top Level Administrative Region. Enter a mineral name (eg Almandine ), and select a country/top level administrative region and this search will find all localities within the region containing that mineral. Mineral Name: Region: - Please Select - 162173 Ryugu Aegean Sea Plate Afghanistan African Plate Akrotiri ... mindat.orgRenamed in 1832 by François Sulpice Beudant. According to Dioscorides, the original Greek names for the mineral were Στιβι "stibi", Στιμμι "stimmi", and Πλατνόπθαλμου. The former name became the Latin "stibium" and the old name for the element antimony (Sb). Named spiessglas in 1430 by Basil Valentine who …Actinolite is an intermediate member Actinolite-Tremolite Series. Tremolite is defined as having an Mg/(Mg+Fe 2+) ratio ≥ 0.9; actinolite has a ratio of 0.5–0.9 and ferro-actinolite has a ratio of less than 0.5. The name actinolite has been retained for petrological reasons in the nomenclature (Leake et al., 1997; Hawthorne et al. …Coquimbite Group. Name: Named in 1841 by August Breithaupt for the type locality in the province of Coquimbo, Chile. Type Locality: ⓘ Coquimbo, Chile. Visually indistinguishable from aluminocoquimbite. Coquimbite and paracoquimbite are structurally homeotypic. Most (or all, if the species is truly coquimbite) samples carry Al, with variable ... Mindat Fellows 2024. The Mindat Fellows program is a way for you to help ensure the long-term survival of mindat.org and for you to proudly show others your support to help encouage others to do the same. Fellows will be receiving benefits such as advanced priority access to new features, priority support and special VIP events.

Calcite-Rhodochrosite Series. A very common and widespread mineral with highly variable forms and colours. Calcite is best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids, such as vinegar, plus its prominent rhombohedral cleavage in most varieties. NOTE on the unit cell and the Miller indices ... . Vanossgaming wikipedia

Chalcopyrite Group. Chalcopyrite-Eskebornite Series. A major ore of copper. Common in sulfide veins and disseminated in igneous rocks. Weathering may lead to the formation of malachite, azurite, brochantite, langite and numerous other secondary copper minerals. Quartz is one of the most common and diverse minerals on earth, and mindat.org is the largest and most comprehensive mineral database and reference website on the internet. Learn about the properties, varieties, localities, and photos of quartz from different sources and contexts. Explore the fascinating world of quartz with …mindat.orgAssociated Minerals Based on Photo Data: 20 photos of Fassaite associated with Pleonaste. (Mg,Fe)Al2O4. 17 photos of Fassaite associated with Vesuvianite. Ca19Fe3+Al4(Al6Mg2) ( 4) [Si2O7]4[ (SiO4)10]O (OH)9. 12 photos of Fassaite associated with Calcite. CaCO3.1993 to 2000. Before mindat.org was a website, it was a personal computer database project that Jolyon had written from scratch using the C++ programming language. It ran as a DOS application and also as an application on Jolyon's preferred Commodore Amiga computer. Jolyon was the only person who ever …Bournonite is a complex sulfide mineral of lead, antimony and copper, often found in Cornwall, England. It has a distinctive cogwheel shape and metallic luster. Learn …Mindat.org - Mines, Minerals and MoreAlthough far superior celestine crystals were previously known from Sicily, they were thought to be barium-rich as the element strontium was not discovered until the late 1780s and not formally described until 1792. Type Locality: ⓘ Bell's Mill, Bellwood, Blair County, Pennsylvania, USA. Baryte Group.Chalcocite is a copper sulfide mineral with a hexagonal crystal structure and a metallic luster. It is a valuable ore of copper and a source of various copper minerals. Learn more about its properties, occurrence and uses at mindat.org, the largest mineral database and reference website on the internet.This database contains worldwide information on minerals, mineral localities and other mineralogical information. In part supported by advertising, it stores data on 25,000 different minerals, varieties and synonyms listed with over 4,000 valid mineral and mineraloid names. The database is searchable by name, …mindat.orgMindat.org has been the world's best mineral website for 21 years. Learn how to use it and find some of the hidden power features in this very first …Type Locality: ⓘ Rutile type locality, Horcajuelo de la Sierra, Community of Madrid, Spain. Polymorph of: Akaogiite, Anatase, Brookite, Riesite, UM1991-08-O:Ti, UM2000-41-O:Ti (TiO2-II) The most common member of the Rutile Group. Rutile is one of the five forms of titanium dioxide, TiO 2, found in nature.WNYC.org, the online platform for New York City’s premier public radio station, is dedicated to providing high-quality journalism, in-depth reporting, and thought-provoking program... There are currently 6,017 approved mineral species listed on mindat.org. What is a mineral? (for the longer answer, read this article) The IMA ( International Mineralogical Association) defined it as: "A mineral is an element or a chemical compound that is normally crystalline and that has been formed as a result of geological processes." Specific Gravity: 6.98 - 7.01. Crystal System: Tetragonal. Member of: Rutile Group. Name: The mineral name is derived from the term “Cassiterides” which was applied to 'islands off the western coast of Europe' in pre-Roman times. The exact location of these 'islands' has been hotly debated over the years.The most simple Ce mineral known. Cerianite generally forms as an oxidation product of Ce 3+ -bearing minerals. Formation under hydrothermal oxidative conditions is rare. One of three currently recognized minerals with tetravalent cerium, beside dyrnaesite- (La) and stetindite. May be non-stoichiometric and bear some Ce (III) and vacancies.Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...Specimen Photo Search. Enter a mineral/rock name (eg Almandine ), and part of a region name (eg Alaska) and this search will find all photos from localities within the region of that mineral. Select type of photo to search and either check all photos or select a subtype for the photos. Alternatively, enter a keyword or photograph type …版权所有© mindat.org1993年至2024年，除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。隐私政策 ...mindat.org.

Usually found as matte-black powdery to fibrous crusts, sometimes in botryoidal aggregates or columnar, more rarely as druzes of small prismatic to tabular, dark grey metallic crystals. May be confused with some manganese oxides such as todorokite (fibrous variants) and manganite (tabular crystals). NOTE: No valid pyrolusite dendrites are known.

Popular Topics