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Smoky Quartz Actinolite & Anhydrite

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PFK770247

Smoky Quartz Actinolite & Anhydrite

Description Tabs

Description
Locality: 
Dasoto, Kato Nevrokopi Basin, Drama, East Macedonia and Thrace, Greece
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 2.2 × 1.6 cm
Description

Excellent, included smoky quartz crystal from this remote and unusual northern Greek, alpine-type locality. The piece is a doubly terminated smoky with green needle-like inclusions of actinolite and elongated tube-like inclusions of anhydrite!

Mineral Data
What's on the rock

Smoky Quartz

Variety Of: 

Quartz

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

Actinolite

Formula: 
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic - Prismatic
Hardness: 
5.0 - 6.0
Streak: 
White

Anhydrite

Formula: 
CaSO4
Strunz: 
7.AD.30
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Salt mine, Hall valley, Hall, Innsbruck, Inn valley, North Tyrol, Tyrol, Austria

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