pyrite mineral data



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Marcasite - Wikipedia

The mineral marcasite, sometimes called white iron pyrite, is iron sulfide (FeS 2) with orthorhombic crystal structure. It is physically and crystallographically ...

Gypsum , selenite : The mineral Gypsum …

Gypsum is an industrially important mineral. It is the primary ingredient of plaster-of-Paris, which is finely ground Gypsum, and it is used in the production of cement.

Search the Mineral Resources Data System

Search the Mineral Resources Data System. Search here for records in the USGS Mineral Resource Data System database. Type the beginning of the name of the …

Mineral Properties, Uses and Descriptions - …

Descriptions, properties and uses for 80 different minerals - Geology.com.

Mohs Scale of Mineral Hardness - amfed.org

Mohs Scale of Mineral Hardness. In 1812 the Mohs scale of mineral hardness was devised by the German mineralogist Frederich Mohs (1773-1839), who selected the …

FMF - Friends of Minerals Forum, discussion and …

Dec 16, 2016 · FMF - Friends of Minerals Forum, discussion and message board The place to share your mineralogical experiences FMF English Forum is moderated by …

Keokuk Geode Information Page - The Geode …

Keokuk Geodes. For the latest information and updates to this page, please see the updated Keokuk Geode Information page and follow us on Facebook for the latest ...

Graphite: The mineral Graphite information and …

Detailed description, properties, and locality information guide about the mineral graphite.

Excalibur Mineral Corporation - Current List

Excalibur Mineral Corporation is a complete mineralogist's heaven! Excellent quality mineral specimens, microscopes, UV lamps, Photographic Guide to Mineral …

Efficient hydrogen evolution catalysis using …

Production of hydrogen by water splitting demands efficient Earth-abundant catalysts for the hydrogen evolution reaction. An efficient ternary pyrite-type cobalt ...

Mineral Collecting, Localities, Mineral Photos ... - …

Searchable mineral database with physical and chemical properties as well as locality information.

Arsenopyrite: Arsenopyrite mineral information …

Named in 1847 by Ernst Friedrich Glocker for its composition, a contraction of the antiquated term "arsenical pyrite." Arsenopyrite was known much before 1847 and ...

Arsenopyrite Mineral Data

Arsenopyrite. Comments: Polished section (PPL) showing crystalline aggregate of arsenopyrite (asp) in massive sphalerite (sp), typical of the main sphalerite lens.

Chalcopyrite Mineral Data

[Newest Minerals] [Mineral Auctions] [Mineral Gallery] The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame Visa, PayPal, and Mastercard are …

Sperrylite - Wikipedia

Sperrylite is a platinum arsenide mineral with formula PtAs 2 and is an opaque metallic tin white mineral which crystallizes in the isometric system with the pyrite ...

The South African Spheres - TalkOrigins Archive

The Mysterious Origins of Man: The South African Grooved Sphere Controversy Copyright © 1996 by Paul Heinrich [Last Update: April 8, 1996] An Interim Report