Cronstedtite is not a common mineral but it is not extremely rare and Mindat lists 37 localities (2010). It was recognized as a species since about 1890. By far the best locality for specimens appears to be the Herja mine in Romania.

Cronstedtite - Black micro crystals in a 2mm group. Confirmed. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.

Polytypen 1T, 1M, 2H 1, 2H 2, 2M 1, 2T, 3T, 6R 2, 6T 2 bekannt. Chemism. Chem­ical formula. Fe 22+ Fe 3+ (SiFe 3+ )O 5 (OH) 4. Chem­ical com­po­si­tion. Eisen, Silicium, Sauerstoff, Wasserstoff.

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734 gillar · 6 har varit här. Our Society is an international organization devoted to the study of clays Collection of 25 medium-sized micro-mount minerals, from various private collections. All different, among others: anatas, albite, cronstedtite, garnet, lapis lazuli,  Den lista över mineraler är en alfabetisk översikt över erkända mineraler , synonymer och Sorter, synonymer, diskrediterade mineraler Cronstedtite, G, 1821. almost impossible to get at the different synonyms of the various minerals Phillips,. Alurgite, Breit.; purple vianganese mineral. CRONSTEDTITE, Steinmar.

Oct 8, 2015 - Nagybörzsöny, Szob, Börzsöny Mountains, Pest County, Hungary - Collection: Gábor Koller.

Cronstedtite is an uncommon mineral that occurs as a hydrothermal product in ore veins in localities in the Czech Republic, Romanis, Germany, France, England, the United States, Mexico, Brazil, and Bolivia, among other minor localities. Assocaited minerals include siderite, pyrite, sphalerite, clinochlore, and … Cronstedtite Fe2+ 2 Fe 3+(SiFe3+)O5(OH)4 °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Triclinic, monoclinic, or hexagonal. Point Group: See polytypes. As hexagonal prisms, tapering toward one end and vertically striated.

Vindicatorship Fick. 601-348-3214 608-384 Phone Numbers in Mineral Pt, Wisconsin Galianah Fenerty. 601-348-6174. Cronstedtite Fick · 601-348-7227

Clays and Clay Minerals 68(6) (2020) 632-645.

San Antonio Mine, East Camp, Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico. Group of black crystals of cronstedtite-3T resting on siderite crystals.
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Cronstedtite. Individual member mineral of the Serpentine group with a chemical formula of Fe2+2Fe3+(SiFe3+)O5(OH)4. Cronstedtite, a complex iron silicate, is one of the classic minerals forever associated with Wheal Jane at Baldhu, between Redruth and the city of Truro in Cornwall.

It is probable that CM meteorites. • Step IV: Cronstedtite became the dominant alteration mineral.
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Define cronstedtite. cronstedtite synonyms, cronstedtite pronunciation, cronstedtite translation, English dictionary definition of cronstedtite. n. 1. A mineral consisting principally of silicate of iron, and crystallizing in hexagonal prisms with perfect basal cleavage;

It has been found in Bohemia in the Czech Republic and in Cornwall, England.