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Adularia Fluorite & Smoky Quartz

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JNM592367

Adularia Fluorite & Smoky Quartz

Description Tabs

Description
Locality: 
Zinggenstöcke, Oberaar Lake, Grimsel, Hasli Valley, Bern, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 9 × 5 cm
Description

Several pink fluorite, some of them coated with chlorite, with smoky quartz and adularia crystals on leached granite matrix. The fluorite exhibits a multifaceted surface structure from octahedral sub-entities, which is the typical habitus for the locale. The largest fluorite measures 13 mm tip-to-tip. The main smoky quartz crystal was repaired close to the bottom, two minor quartz crystals at the left edge of the specimen are broken.

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Mineral Data
What's on the rock

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

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

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Video

Pink Fluorite, Smoky Quartz and Adularia

JN Minerals

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