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Fluorite & Galena

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CR641867

Fluorite & Galena

Description Tabs

Description
Locality: 
Naica Mine, Naica, Saucillo Municipality, Chihuahua, Mexico
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7 × 5 cm
Largest Crystal: 
5.50cm
Description

This beautiful fluorite specimen is from Armin Wendland collection.

With this specimen, you see the typical extremely complex faces, with some rather distinct cuboctahedrons emerging from the background of microfaces. These euhedral areas provide clear windows into the transparent, light green interior of the compound crystal. The crystal is complete all around, with a contact face underneath where you can still see a bit of galena 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

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey