Mindat org.

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.Chemistry of Staurolite Hide. Mindat Formula: Fe2+2Al9Si4O23(OH) The formula can also be considered as alternating layers of kyanite and oxide, and so can be recast as: 4Al 2 O [SiO 4]. AlFe 2+2 O 4 H. Elements listed: Al, Fe, H, O, Si - …mindat.orgThe purpose of the preamble is the outline the reasons behind the writing of the U.S. Constitution and the goals of the document. Constitutioncenter.org identifies the purpose of t...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 ...

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

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 ... 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 ...

The French spelling, "Cyanite", was commonly used by mineralogists through much of the 19th and early 20th centuries. Common metamorphic silicate mineral. The generally bluish colour is caused by Fe (II)-Fe (III) charge transfer (Faye and Nickel, 1969). Visit gemdat.org for gemological information about Kyanite.Type Locality: ⓘ Monzoni Mountains, Trento Province (Trentino), Trentino-Alto Adige (Trentino-South Tyrol), Italy. Gehlenite-Åkermanite Series. Chemically very similar to bicchulite and kamaishilite. 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. 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:

Tremolite is a calcium magnesium silicate mineral with a fibrous or prismatic habit. It is a common metamorphic mineral in skarns, marbles and calc-silicate rocks. Learn more about its properties, localities, photos and data on mindat.org, the largest and most comprehensive mineral database and reference website on the internet.

mindat.org

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 ...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 …Mindat.org is the world's leading online mineral database, with information on thousands of minerals, their properties, localities, and photos. Learn about enstatite, a magnesium silicate mineral that forms in high-temperature igneous and metamorphic rocks. Compare it with other related minerals, such as bromellite, a rare beryllium oxide mineral that occurs with …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: "A mineral is an element or a chemical compound that is normally crystalline and that has been formed as a result of geological processes." 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.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...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.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.About 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 …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.

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:

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 …In today’s digital age, technology has revolutionized the way we manage our healthcare. One such innovation is the KP.org login, a secure online portal that allows Kaiser Permanent...mindat.org an online mineralogical reference and locality resource for collectors and mineralogy students worldwide MINER MINER est un produit développé en …mindat.orgType 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.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 more about its properties, occurrence and uses at mindat.org, the largest mineral database and reference website on the internet.

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. …

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.

Canada : Canada is divided into ten provinces and three territories. Each of these entities may have different types of subdivision, used for various purposes.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.Dark or black iron rich (10% of the magnesium site) dolomite found as euhedral crystals embedded in gypsum-rich marls, originally described from Teruel, Aragón, Spain. The name has been used in recent times for similar dolomite crystals of any colour,... Zinc-bearing Dolomite. A variety of dolomite containing Zinc.Name: 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 ... 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. 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.orgPyromorphite is a mineral species composed of lead, chlorine, and phosphate. It forms striking hexagonal crystals with various colors, such as green, yellow, brown, or orange. Learn more about its properties, occurrence, and uses at Mindat.org, the largest mineral database and reference website on the internet. Mindat.org is the world's leading website about minerals and where they come from. 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 ...

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.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...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 …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...Instagram:https://instagram. royalty free images pixabaysuzu onlyfansmetal magic arcane odysseyautentico 2 textbook answers Chalcedony is a variety of quartz that forms in different colors and patterns. Learn more about this fascinating mineral, its properties, localities and history at mindat.org, the largest online database of minerals and geology. stihl hl94k parts diagramh and r block forgot password 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. apple status 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: 0014807Oct 18, 2023 · Ralph Jolyon, mindat.org. 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 ...