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Orthorhombic. Member of: Tuhualite Group. Name: Named after Jack Zektzer (1936 - ), mineral collector of Seattle, Washington, USA, who presented the material for study. Type Locality: ⓘ Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA. Tuhualite Group. Visit gemdat.org for gemological information about Zektzerite.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.La labradorite est un minéral qui peut présenter un effet optique iridescent (ou schiller) appelé labradorescence. Ce phénomène est dû à une structure lamellaire causée par un processus d'exsolution lié à un écart de miscibilité. L'effet est visible lorsque la séparation lamellaire est comprise entre 128 et 252 nm. Découvrez les propriétés, les données et … 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. Datolite is a rare mineral that forms in cavities of basaltic rocks, often with zeolites and other minerals. It has a wide range of colors and crystal habits, and is highly sought after by collectors. Learn more about datolite's properties, occurrence, and associations at mindat.org, the world's largest mineral database.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 …Marialite-Na adalah mineral dari kelompok scapolite, yang memiliki kandungan natrium dan klorin yang tinggi. Mineral ini ditemukan di beberapa lokasi di dunia, termasuk Italia, Kanada, dan Tanzania. Informasi lebih lanjut tentang sifat dan data mineral Marialite-Na dapat dilihat di mindat.org, situs web terkemuka tentang …Link to MinDat.org Location Data. Name Origin: Named after its chemical composition. Synonym: Chrome iron ore : Chromic iron : Ferrichromite - magnetic, …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. …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.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).Name: From the Greek αξίνα ("axina") for "axe", in allusion to the common habit of its crystals. Synonym: A synonym of Axinite Group. Localities listed here are where only 'axinite' is given as a reference. Most, but not all, 'axinite' is axinite- (Fe), i.e., the Fe-dominant member within the Axinite Group.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 …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 …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 …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...About Grandidierite Hide. Named by A. Lacroix in 1902 in honor of Alfred Grandidier (20 December 1836, Paris, France - 13 September 1912, Paris, France), French explorer and naturalist. He visited Madagascar three times between …Anglesite is a lead sulfate mineral that forms from the oxidation of galena. It can form stunning crystals with various colors and shapes. Learn more about this mineral and its properties, occurrence, and associations at mindat.org, the world's largest mineral database.Name: From the Greek κακός for "bad" and ξένος for "guest" due to the fact that the phosphorous content of cacoxenite lessens the quality of iron smelted from ore containing it. Type Locality: ⓘ Hrbek Mine, Svatá Dobrotivá (St Benigna), Zaječov, Beroun District, Central Bohemian Region, Czech Republic. A secondary mineral found ... 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. Mindat.org - Mines, Minerals and More Mindat.org is the world's leading website about minerals and where they come from. 1993 to 2000. Before mindat.org was a webName: From the Greek αξίνα ("axina") f 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.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... Renamed as bornite in 1845 by Wilhelm Karl von Haidinger in Name: Named in 1801 by Rene Just Haüy from μειωυ Greek for less, in reference to the less acute pyramidal form as compared to vesuvianite. Type Locality: ⓘ Mount Somma, Somma-Vesuvius Complex, Naples, Campania, Italy. Scapolite ( Marialite-Meionite Series ). Visit gemdat.org for gemological information about Meionite. WNYC.org, the online platform for New York Ci

Mindat.org was founded by Jolyon Ralph, based on an earlier DOS/Windows application called Mindat that was started in 1993. This is the story of how mindat.org ...Renamed as bornite in 1845 by Wilhelm Karl von Haidinger in honor of Ignaz von Born (1742-1791), Austrian mineralogist and invertebrate zoologist. Type Locality: ⓘ Jáchymov, Karlovy Vary District, Karlovy Vary Region, Czech Republic. An important copper ore, typically found as massive or disseminated metallic grains and patches in sulphide ...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.mindat.orgIn 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...

Copper 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.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.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 ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Pyromorphite is a mineral species composed of lead, chlorine, and pho. Possible cause: Bournonite is a complex sulfide mineral of lead, antimony and copper, often .