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An As-bearing variety of vanadinite. Named for Dr. F. M. Endlich ( Reading, Pa., June 14, 1851; died in Tucson, Ariz., July 17, 1899), Superintendent of the Sierra ... Search Minerals By Chemistry. To use the chemical search form click on an element to select it (matches MUST INCLUDE this element.) It will turn yellow. Click again to mark it as excluded (matches MUST NOT INCLUDE it), it turns black. Noble gasses and elements not found in nature are excluded. When finished hit one of the search buttons. 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. Advanced Search - mindat.orgIf you want to search for minerals with more specific criteria, such as crystal system, hardness, color, luster, etc., you can use the advanced search page. You can also search for minerals by name, synonym, or keyword. The advanced search page allows you to customize your query and filter the results by various options.

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.orgIlmenite: 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 …

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.

Halite is a common mineral that forms cubic crystals of various colors and sizes. It is also known as rock salt and is used for various purposes. Learn more about halite's properties, occurrences, associations, and uses at mindat.org, the largest mineral database and reference website on the internet.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 ...mindat.orgCrystal System: Triclinic. Member of: Aenigmatite Group &gt Sapphirine Supergroup. Name: From the Greek αίνιγμα ("aenigma"), "a riddle", alluding to the enigmatic, uncertain chemical composition of the mineral. Named in 1865 by Breithaupt. Co-Type Localities:

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 …

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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 … Introduction. Mindat.org is the world’s leading authority on minerals and their localities, deposits, and mines worldwide. Mindat.org’s mission is to advance the world’s understanding of minerals. Mindat.org has been collecting, organising, and sharing mineral information since October 2000. It is now an essential resource used daily ... 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. Mindat.org is the world's leading website about minerals and where they come from. Covellite is a rare copper sulfide mineral with a striking iridescent blue color. It forms in high-sulfidation environments, often associated with other copper minerals. Learn more about its properties, occurrence, and uses at mindat.org, the largest and most comprehensive mineral database online.It was first discovered by the Scottish-born Kenyan gemologist Campbell R. Bridges (1937 – 11 August 2009), in Lemshuko, 15 km away from Komolo, in north-east Tanzania (Bridges, 1974). A variety of Grossular A trade name for a green Cr- and V-bearing variety of grossular. Major occurrences are in Kenya and Tanzania.

An apatite with 3.18% rare earth elements (REE) and 1.33% Ce2O3 from the Kola Peninsula. Originally reported from Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Collophane. A name used for the massive, cryptocrystalline, colloidal (amorphous) varieties of Carbonate-rich Fluorapatite or Carbonate-rich Hydroxylapatite, such 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 ... 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. 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.ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0014806: Francevillite: Mereiter K (1986) Crystal structure refinement of two francevillites, (Ba,Pb)[(UO2)2V2O8]*5H2O Neues Jahrbuch fur Mineralogie, Monatshefte 1986 552-560 1986: Mounana, near Franceville, Gabon: 0: 293: 0014807

Selenite is a transparent variety of gypsum, a common mineral with many uses and applications. Learn more about its properties, localities and associations at Mindat.org, the largest and most comprehensive mineral database and reference website on the internet.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 ...

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. … Hemimorphite is a valid mineral species with hemimorphic crystals and a chemical formula of Zn4Si2O7(OH)2·H2O. It occurs in various colors and forms, often associated with other minerals such as rosasite, calcite and plattnerite. Mindat.org is the largest and most comprehensive online database of minerals, mines and localities, where you can find detailed information, photos and references ... 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. 全球矿物数据库网站 （ Mindat.org ）为非赢利性在线数据库，号称是互联网上最大的 矿物 数据库和 矿物学 参考网站。. 为专业矿物学家、 地质学家 和业余矿物收藏者所使用。. 该网站包含了重要矿产条目、地点和照片目录。. 注册编辑者可在定期更新的数据库中 ... Sillimanite is a rare and valuable mineral that forms under extreme conditions of heat and pressure. Learn more about its properties, occurrence and uses at Mindat.org, the largest and most comprehensive website for …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...Garnet Supergroup. Name: Named Carchedonius Garamanticus = Carthaginian or Garamantic Carbuncle in 77-79 by Pliny the Elder. Earlier named ΑνθραϪέ by Tyrtamus, commonly known by his honorary name, Theophrastus, possibly about 325-300 BCE, but seemingly a name also used for ruby spinel and red-pink …

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:

Mindat.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 …

Mindat.org is the world's leading website about minerals and where they come from.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...Libethenite is a secondary copper phosphate mineral found in the oxidized zone of copper ore deposits. The phosphate is often derived from the weathering of apatite and other rock-forming phosphates such as monazite and xenotime. A rare case of probable primary libethenite from a greisen deposit is reported by Sejkora et al. …Occurs predominantly in ultrabasic igneous rocks. Pure end-member pyrope is colorless! (but rare). Optical anisotropy may be present, caused by strain-induced birefringence, in relation to occurrence of more than a single (cubic) phase (Antao, 2021). Visit gemdat.org for gemological information about Pyrope.Sillimanite is a rare and valuable mineral that forms under extreme conditions of heat and pressure. Learn more about its properties, occurrence and uses at Mindat.org, the largest and most comprehensive website for …A barian vanadian variety of Muscovite. Originally reported from Silver Knob, Fish Camp, Yosemite Valley, Mariposa Co., California, USA. Barium-bearing Muscovite. A barium-rich variety of muscovite; probably equivalent to oellacherite; part of the series between muscovite and ganterite.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. …mindat.orgID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0014806: Francevillite: Mereiter K (1986) Crystal structure refinement of two francevillites, (Ba,Pb)[(UO2)2V2O8]*5H2O Neues Jahrbuch fur Mineralogie, Monatshefte 1986 552-560 1986: Mounana, near Franceville, Gabon: 0: 293: 0014807Copper is a common and versatile metal that forms many minerals, such as azurite, malachite, chalcopyrite and bornite. Learn more about the properties, occurrence and uses of copper minerals at mindat.org, the largest and most comprehensive mineral database and website.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. 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.

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...Type Locality: ⓘ Atacama, Chile. Polymorph of: Botallackite, Clinoatacamite. Atacamite Group. A secondary copper mineral formed through the oxidation of other copper minerals, especially in arid, saline conditions. May be confused with brochantite. May alter to malachite and chrysocolla, creating pseudomorphs. 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. Instagram:https://instagram. bowl game predictions 2024th15 attack strategy 2023visitors greeting wsj crossword cluetap summit nj Named in honour of Catalan gemmologist Joan Abella i Creus (born 13 December 1968, Sabadell, Catalonia, Spain) who has long studied the minerals of the Eureka mine and also found the mineral. Type Locality: ⓘ Eureka mine, Castell-estaó, La Torre de Cabdella, La Vall Fosca, El Pallars Jussà, Lleida, Catalonia, Spain. Dimorph of: Abellaite. artzmiamidcjs virginia In today’s fast-paced business environment, effective communication is crucial for the success of any organization. One way to enhance communication and collaboration within your t...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 … demogorgon split Family history is an important part of our lives, and it can be a fun and rewarding experience to uncover the stories of our ancestors. With the help of FamilySearch.org, you can e... 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.