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Spessartine Microcline & Smoky Quartz

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TBM1158834

Description Tabs

Description
Locality: 
Mount Sinai, South Sinai, Egypt
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
5 × 16 × 9 cm
Largest Crystal: 
0.40cm
Weight: 
710.00gr
Description

Exceptional cluster of bright dark-red Spessartine crystals up to 4 mm on a carpet of light pink Microcline crystals up to 10 mm and Smoky Quartz up to 10 mm; large and very aesthetic specimen

Mineral Data
What's on the rock

Spessartine

Formula: 
Mn2+3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.5
Streak: 
White
Type Locality: 
Sommer quarry, Wendelberg, Haibach, Aschaffenburg, Spessart, Franconia, Bavaria, Germany

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Smoky Quartz

Variety Of: 

Quartz

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