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Calcite With Delessite On Quartz

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CLB51311

Calcite With Delessite On Quartz

Description Tabs

Description
Locality: 
Juchem Quarry, Niederwörresbach, Herrstein, Birkenfeld, Rhineland-Palatinate, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.3 × 9.5 × 7.5 cm
Largest Crystal: 
3.00cm
Description

Calcite crystal with inclusions of delessite (Fe-bearing clinochlore) in a part of a quartz crystal vug.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Delessite

Variety Of: 

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.0 - 2.5
Formula: 
(Mg,Fe,Fe,Al)(Si,Al)4O10(O,OH)8
Hardness: 
0.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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