Mindat.org is the world's leading website about minerals and where they come from.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...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 …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 …

About Nuummite Hide. Name: The name Nuummite which means "derived from Nuuk" in Greenlandic was given to the amphibolitic rock type which was found by the geologist Peter W. Uitterdijk Appel in 1982, near Nuuk (Godthåb). Appel considered first the name nuukite, but renamed it to Nuummite, which in Greenlandish …

Currently used as a field-term unidentified massive hydroxides and oxides of iron, with no visible crystals, and a yellow-brown streak. 'Limonite' is most commonly the mineral species goethite, but can also consist of varying proportions of lepidocrocite, hematite and/or maghemite, along with impurities of other minerals such as quartz and clay s.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.

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 ... Type Locality: ⓘ Monzoni Mountains, Trento Province (Trentino), Trentino-Alto Adige (Trentino-South Tyrol), Italy. Gehlenite-Åkermanite Series. Chemically very similar to bicchulite and kamaishilite. 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. 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.

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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. …

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...mindat.org. 4,986 likes · 15 talking about this. Mindat.org is the world's most comprehensive mineral database and mineralogical reference website. Like this … Magnetite is an important, strongly magnetic iron ore, along with hematite. Nanoinclusions of magnetite crystals cause the iridescence of Rainbow obsidian (Nadin, 2007). Extremely thin layers of 200-nm octahedral crystals of magnetite give some basalt surfaces an iridescent sheen (Nadin, 2007). May precipitate from supersaturated volcanic gas ... 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. 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. Named in honor of Arthur Charles Davy Pain (23rd June 1901, Exmouth, England, UK - 27th August 1971, Exmouth, England, UK), mineralogist and gemmologist who first noted it as an interesting crystal. Type Locality: ⓘ Ohngaing, Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar.

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. 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 …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 …mindat.org; Hudson Institute of Mineralogy project MinDat.org; Mindat.org: The Mineral and Locality Database 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.

Named in 1883 by Gustav Tschermak for the river Drau (in Latin, Drave), on which the type locality is situated. Type Locality: ⓘ Dobrova pri Dravogradu, Dravograd, Slovenia. A very common member of the Tourmaline Group. Dravite-Elbaite Series, Dravite-Schorl Series. The Mg analogue of schorl.

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 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.If you are a member of Kaiser Permanente (KP), you may be familiar with the term “kp org welcome.” KP.org is an online platform that provides members with a wide range of tools and...About Nuummite Hide. Name: The name Nuummite which means "derived from Nuuk" in Greenlandic was given to the amphibolitic rock type which was found by the geologist Peter W. Uitterdijk Appel in 1982, near Nuuk (Godthåb). Appel considered first the name nuukite, but renamed it to Nuummite, which in Greenlandish …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 … 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." 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.

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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 ...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.Are you curious about your family history? Do you want to uncover the stories of your ancestors and discover where you come from? Look no further than FamilySearch.org, a powerful ...Pyromorphite 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. Magnetite is an important, strongly magnetic iron ore, along with hematite. Nanoinclusions of magnetite crystals cause the iridescence of Rainbow obsidian (Nadin, 2007). Extremely thin layers of 200-nm octahedral crystals of magnetite give some basalt surfaces an iridescent sheen (Nadin, 2007). May precipitate from supersaturated volcanic gas ... Are you curious about your family’s roots? Do you want to uncover the stories of your ancestors and understand your heritage better? Look no further than FamilySearch.org, a powerf...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.Quartz is one of the most common and versatile minerals, with many varieties and optical properties. Learn more about its chemical composition, crystallography, physical properties, classification, origins, and localities at mindat.org, the largest mineral database and reference website on the internet.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 …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. Mindat.org is an outreach program of the Hudson Institute of Mineralogy, a 501 (c) (3) not-for-profit organization based in the United States as an entity dedicated to the discovery, study, and preservation of mineral species and their history, and to increasing public awareness and appreciation of the mineral kingdom through outreach and ... 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.

FamilySearch.org is a valuable resource for anyone interested in genealogy and tracing their family history. With its vast collection of records, helpful tools, and collaborative f...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: …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 ...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. skipthegames salem oregon mindat.org sniffies app official 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 … songs by don williams on youtube 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. zillow garden city 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, … openforce contractor login 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 ... stater brothers deli catering 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... rileyreidx3 onlyfans leaked Mindat.org has an enormous resource of educational articles and other content, and whether you're a beginner or an expert we have all the information you need. These have been divided into three sections: Introductory Articles These articles are suitable for everyone wanting to learn about rocks and minerals.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). the little mermaid 1989 wiki Mount Malosa, Zomba, Southern Region, Malawi Dimensions: 4.8 cm x 3.7 cm x 2.8 cm A fine miniature combination from recent finds at Mount Malosa. A 3.1 cm, sharp, terminated, greenish-black aegirine crystal with mirror-luster prism faces is aesthetically set and angled between two sharp, blocky, well-formed, porcellaneous ivory-colored microcline crystals. best mc business gta 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.Jean-Marc's Home Page ... I have collected minerals since I was fifteen. Ten years later, I started collecting micro-minerals. It was the very beginning of ... firefly eg nyt 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.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 ... pill with rp on one side Mindat.org is a dynamic database, with new information, localities and photographs continuously being added, verified, and updated by thousands of members across …Sphalerite Group. Sphalerite, also known as blende or zinc blende, is the major ore of zinc. When pure (with little or no iron) it forms clear to white crystals (known as Cleiophane ). Yellow to orange sphalerite is often called "golden sphalerite." Red shades of sphalerite are known as Ruby Blende or Ruby Jack.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 …