71.01.02c.07 Cronstedtite Fe2Fe(SiFe)O5(OH)4 P 3 1 m 3m : Strunz Class: 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas

Dickite (Al 2 Si 2 O 5 (OH) 4) is a phyllosilicate clay mineral named after the metallurgical chemist Allan Brugh Dick, who first described it. It is chemically composed of 20.90% aluminium, 21.76% silicon, 1.56% hydrogen and 55.78% oxygen.

It has been found in Bohemia in the Czech Republic and in Cornwall, England. Photo added to mindat.org “ Group of black prismatic crystals of cronstedtite with pyrite and minor siderite crystals. Field of view is 4 mm. Confirmed by SXRD as cronstedtite-3T (subfamily A). Cronstedtite Specimen ID: UHE-DL7. Mineral(s) Cronstedtite: Fe 2+ 2 Fe 3+ ((Si,Fe 3+) 2 O 5)(OH) 4.

Cronstedtite mindat

Type Locality. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals. Cronstedtite - The face of this specimen is covered with jet black, highly lustrous, tiny (less than 0.5mm) Cronstedtite crystals associated with tiny discoidal Siderite crystals with inclusions of possible Boulangerite. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.

English: Cronstedtite Locality: Herja Mine (Kisbánya), Baia Mare (Nagybánya), Maramures County, Romania (Locality at mindat.org) Size: 3.5 x 2.3 x 1.8 cm.

Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español. Print or Cut-and-Paste your Kellyite Specimen Label here :

Milo. 3rd Jan 2010 21:23 UTC Rob Woodside Cronstedtite Specimen ID: UHE-DL7. Mineral(s) Cronstedtite: Fe 2+ 2 Fe 3+ ((Si,Fe 3+) 2 O 5)(OH) 4. Locality.

Dickite (Al 2 Si 2 O 5 (OH) 4) is a phyllosilicate clay mineral named after the metallurgical chemist Allan Brugh Dick, who first described it. It is chemically composed of 20.90% aluminium, 21.76% silicon, 1.56% hydrogen and 55.78% oxygen.

The face is covered with black, lustrous trigonal crystals with rounded triangular terminations and prismatic forms. Excellent old specimen. Sawed backside. Type Locality. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.

Name Pronunciation: Cronstedtite + Pronunciation. Cronstedtite-2H2 mineral data, information about Cronstedtite-2H2, its properties and worldwide locations. Mindat - suche nach: Cronstedtite Webmineral - suche nach:Cronstedtite Handbook-of-Mineralogy - suche nach: Cronstedtite RRUFF - Raman, XRD and other mineral data - suche nach: Cronstedtite RRUFF - References and PDF downloads - suche nach: Cronstedtite American-Mineralogist-Crystal-Structure-Database - suche nach: Cronstedtite Athena - suche Mindat - search for: Cronstedtite Webmineral - search for:Cronstedtite Handbook-of-Mineralogy - search for: Cronstedtite RRUFF - Raman, XRD and other mineral data - search for: Cronstedtite RRUFF - References and PDF downloads - search for: Cronstedtite American-Mineralogist-Crystal-Structure-Database - search for: Cronstedtite Athena - search Photo added to mindat.org “ black crystals of Cronstedtite dimension area mm. 4 x 4 photo Germano Fretti collection Luigi Chiappino ” Luigi Chiappino - 26th September 2013 Photo added to mindat.org “ group of elongated prismatic crystals of cronstedtite area size 5.0 mm Photo Enrico Bonacina (OLYMPUS DIGITAL CAMERA) Collection Domenico Preite ” Domenico Preite - 22nd April 2019 Photo added to mindat.org “ Group of black prismatic crystals of cronstedtite with pyrite and minor siderite crystals. Field of view is 4 mm.
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Dickite Brian Kosnar's Mindat Home Page. My Page, My Photos.

Dickite Brian Kosnar's Mindat Home Page. My Page, My Photos.
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Please note: This specimen is labeled as coming from Kisbanya in Hungary, but as mentioned on mindat.org "the Herja mine belongs to Baia Mare, but old specimens from Herja mine are usually labelled as Chiuzbaia (Kisbánya)." Ex Kay Robertson Collection (#4314).

mindat.org (Ralph and Chau, 2012) and webmineral.com. (Barthelmy Amesite, Antigorite, Berthierine, Brindleyite, Caryopilite, Chrysotile, Cronstedtite,. Dickite Brian Kosnar's Mindat Home Page. My Page, My Photos. Opal · South Wollo Zone, Amhara Mindat conference in Madgascar · More like this · Fraipontite, (Zn,Al)3(Si,Al)2O5( OH)4 , on Olivenite, Hilarion Mine, Kamariza area, Lavrion, Greece. · Cronstedtite .