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Fluorite & Quartz & Feldspar & Albite

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RBR505782

Fluorite & Quartz & Feldspar & Albite

New Discovery

Description Tabs

Description
Locality: 
Lakeview Lode II Mine, Lake George, Park County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 5 × 5 cm
Largest Crystal: 
2.50cm
Description

This is a very good specimen showing a perfect fluorite of 2,5 cm size. The specimen is in perfect condition, no damaged or dings. The fluorite shows a typical slightly etched surface an nice greenish color. It is surrounded by some smoky-quartz with feldspar and albite on top. Due to the very hard matrix the specimen was removed by trimming, the backside and the bottom was sawed. Anyway, this is a very fine quality and much better than most other Colorado-fluorite as most specimens get damaged during excavation.

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

Feldspar

Group Parent: 
Feldspar Group

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Crystal System: 
Triclinic
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Finnbo (Finbo), Falun, Dalarna, Sweden

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Austria
5
Europe
14
North America
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Rest of world
19