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Cronstedtite

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PLN81769

Cronstedtite

Description Tabs

Description
Locality: 
Hohe Warte Mine, Hagental, Harz, Lower Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 5 × 2.5 cm
Description

Well formed, black crystals of rare iron silicate on matrix. Specimen found about 40 years ago !

Mineral Data
What's on the rock

Cronstedtite

Formula: 
Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4
Strunz: 
9.ED.15
Crystal System: 
Monoclinic, Trigonal, Hexagonal
Hardness: 
3.5
Type Locality: 
Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
geo trader

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions
You can buy a lot specimens. I will give you a great combined shipping discount ! I combine the auctions. All packages are priority (7 days)