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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 ...“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 ...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.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 …

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 ...

In today’s digital age, accessing your healthcare information online has become more convenient and efficient than ever before. With KP.org, Kaiser Permanente’s online portal, pati...mindat.orgSillimanite 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 …mindat.org 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.

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.

Link to MinDat.org Location Data. Name Origin: Named after its chemical composition. Synonym: Chrome iron ore : Chromic iron : Ferrichromite - magnetic, …

Associated Minerals Based on Photo Data: 66 photos of Demantoid associated with Amphibole Supergroup. AB2C5( (Si,Al,Ti)8O22) (OH,F,Cl,O)2. 55 photos of Demantoid associated with Quartz. SiO2. 37 photos of Demantoid associated with Asbestos. 21 photos of Demantoid associated with Chrysotile. Mg3(Si2O5) (OH)4.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.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.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.Mimetite is a lead arsenate chloride mineral that often resembles pyromorphite. It forms prismatic, hexagonal or acicular crystals with various colors and lusters. Mindat.org provides detailed information about mimetite's formula, structure, properties, occurrences, photos and more.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 after Matthias Joseph Anker (1771-1843), Styrian (Austria) mineralogist. Originally considered to be Ca (Mg,Fe) (CO 3) 2 (eg. Hey, 1955, with >10% FeCO 3) with no specific requirement for Fe>Mg, before being redefined as strictly having Fe>Mg, i.e. with the dominant endmember CaFe (CO 3) 2. It was commonly given …

22 Jan 2024 ... Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete ...A greasy, wax-yellow to reddish-brown weakly radioactive mineral, most commonly found in metamorphic rocks and pegmatites, associated with allanite, cerite, tysonite, fluorite, and tornebohmite. The group members may be part of the Bastnäsite-Vaterite Homologous Series. 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. Mindat.org is the world's leading website about minerals and where they come from. Mindat.org is the world's leading website about minerals and where they come from. 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.

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.

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.org - Mines, Minerals and More Monoclinic. Name: From the ancient Persian lazhward, meaning "blue", in allusion to the color. Name changed to azurite in 1824 by François Sulpice Beudant. Type Locality: ⓘ Chessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France. A secondary copper mineral frequently found in the oxidized zones of Cu ... 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 …About Plancheite Hide. Pale blue to deep blue, pale greenish blue. Named by A. Lacroix in 1908 in honor of François Gilbert Planche (4 June 1866, Tarare, Rhône-et-Loire, France - 24 May 1924, Gap, Hautes-Alpes, France), was an industrialist and a politician. He built dams and power plants, and founded several rail companies. 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.

A dark green chromium-rich gem variety of beryl. Raspberyl. A marketing term for a raspberry-red beryl, also used for some raspberry-red pezzottaite (cesium beryl) crystals from Madagascar. Note that there is no relationship between the raspberry-red colour and the cesium content, i.e. a raspberry-red beryl can be...

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...

ID Species Reference Link Year Locality Pressure (GPa) Temp (K) 0005037: Thomsonite-Ca: Gatta G D, Kahlenberg V, Kaindl R, Rotiroti N, Cappelletti P, de Gennaro M (2010) Crystal structure and low-temperature behavior of "disordered" thomsonite American Mineralogist 95 495-502 Spodumene is a lithium-bearing mineral that occurs in granitic pegmatites and some metamorphic rocks. It is a source of lithium and a gemstone with various colors. Learn more about its properties, occurrence, and uses at mindat.org, the largest mineral database and reference website on the internet. 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 ... 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 is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and the Hudson ...Renamed 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 …mindat.orgCalcite 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". 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 largest database of minerals, mineral photos and mineral localities online. If you have not visited this site before then I suggest you visit our home page to learn more about mindat and the powerful search functions we offer.

Mindat.org is the world's leading website about minerals and where they come from.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.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 …Instagram:https://instagram. abeka american literature test 10taylor swift in valentine's daybest clan boss championstaylor swift tickets dublin “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 ... rsgrp robloxthe suffield observer Spodumene is a lithium-bearing mineral that occurs in granitic pegmatites and some metamorphic rocks. It is a source of lithium and a gemstone with various colors. Learn more about its properties, occurrence, and uses at mindat.org, the largest mineral database and reference website on the internet. gmc yukon denali cargurus 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 ... 25 Jul 2023 ... Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Copyright © mindat.org and ...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 …