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Cronstedtite & Siderite

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RSG968412

Cronstedtite & Siderite

Description Tabs

Description
Locality: 
Salsigne Mine, Salsigne, Aude, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 2 × 2 cm
Description

Cute sample mixing black cronstedtite crystals with some well developped Siderite.

In a box 2.8x2.8cm, labelled

FoV : 3.8mm

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Seller Information

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Seller's terms and conditions

No refund on the items

When you win an auction, please pay within the end of the month of the auction. If you have not paid by the end of this selling period the item will be relisted or a litigation will be open.

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