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Fluorite With Siderite

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PCZ590648

Fluorite With Siderite

Description Tabs

Description
Locality: 
Rookhope, Weardale, County Durham, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5 × 3.5 cm
Description

A section of a siderite stalactite with beautiful yellow fluorite crystals up to 1.8 cm on an edge. The fluorite has a great contrast with the siderite. An exceptional display piece from the locality.

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

Siderite

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