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Cronstedtite Mineral Data General Cronstedtite Information. Silicon 7.03 % Si 15.04 % SiO 2 A low-temperature hydrothermal product in ore veins. Cronstedtite Image. Comments: Pyramidal crystals of cronstedtite. Location: Santa Eulalia, Chihuahua, Mexico. Scale: Not Cronstedtite Crystallography.

Cronstedtite mineral data

Mineral list (596) Relief, Physical. Minerals (Count: 596) 'Allanite group' · r. Pal, D.C. av J Ekblom · 2012 — study includes site visits, sampling, laboratory work, and data interpretation. The study examines In the Kringel mine the dominating sulphide bearing mineral is pyrrhotite (FeS), and minor sulphide bearing 21 Cronstedtite. Fe3.44 Si1.56 MS 15 Structural complexity of minerals and inorganic materials need for and practicalities of routine deposition of primary experimental data in X-ray MS15-P24 In situ high temperature study of structural transformation of cronstedtite-1T.

It was discovered in 1821 and named in honor of Swedish mineralogist Axel Fredrik Cronstedt (1722–1765).

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Possible iron content of kaolin American Mineralogist 24 529-539: 1939: 0: 293: 0007145: Cronstedtite: Hybler J (2006) Parallel intergrowths in cronstedtite-1T: determination of the degree of disorder European Journal of Mineralogy 18 197-205: 2006 Hendricks S B (1939) Random structures of layer minerals as illustrated by cronstedtite (2FeO.Fe2O3.SiO2.2H2O). Possible iron content of kaolin American Mineralogist 24 529-539: 1939: 0: 293: 0007145: Cronstedtite: Hybler J (2006) Parallel intergrowths in cronstedtite-1T: determination of the degree of disorder European Journal of Mineralogy 18 Cronstedtite Mineral Data General Cronstedtite Information. Silicon 7.03 % Si 15.04 % SiO 2 A low-temperature hydrothermal product in ore veins.

Cornwallite and Agardite-Ce: Minerals and gemstones

. This and many more mineral specimens are available for sale at Dakota Matrix Minerals. General Forsterite Information.

Rocks And Minerals Hungary Earth Gemstones Crystals Amazing Pretty Collection Rocks. The crystal structure of cronstedtite-3T from Kutná Hora (Bohemia, Czechoslovakia), space group P31, was refined to Rw(all) = 3.1% for 1336 independent diffractions.
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It has a formula of Fe 2 2+ Fe 3+ ((Si,Fe 3+ ) 2 O 5 )(OH) 4 .
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Comments: Pyramidal crystals of cronstedtite. Location: Santa Eulalia, Chihuahua, Mexico. Scale: Not Cronstedtite Crystallography. Associated Minerals Based on Photo Data: (2000): Refinement of the crystal structure of cronstedtite-1T.

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Cronstedtite is most stable at the temperature of ∼0 °C at moderately oxidizing aqueous conditions and at high water/rock ratios. Although cronstedtite could form on planetesimals, the apparent lack of serpentine may indicate its formation by Ceres’ temporary surface solutions. The rare mineral cronstedtite has been first described as early as in 1820 from the Vojtěch Mine in Příbram by Steinmann in 1820 [1, 2]. It is named in honor of Swedish chemist and mineralogist Axel Fredrik Cronstedt (*23.12.1722, †19.8.1765), one of founders of the modern mineralogy. Chlorite is a common mineral associated with hydrothermal ore deposits and commonly occurs with epidote, sericite, adularia and sulfide minerals. Chlorite is also a common metamorphic mineral, usually indicative of low-grade metamorphism. It is the diagnostic species of the zeolite facies and of lower greenschist facies.