Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Fluorite Quartz & Siderite

Views:
Watches:
MGR602211

Fluorite Quartz & Siderite

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.6 × 4.4 × 2.5 cm
Description

Dark blue-violet, multiple stepped fluorite crystals isolated on matrix. The matrix is in fact a large quartz crystal, which is completely covered with beige, tiny siderite crystals.

Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Siderite

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