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Quartz & Dolomite

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BMM631322

Quartz & Dolomite

Floater

Description Tabs

Description
Locality: 
Chifeng, Inner Mongolia, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 3.4 × 2.9 cm
Description

Prasem-shapded, doubly terminated quartz with multiple highly glossy lateral surfaces, which becomes thicker in upwards direction and finally ends in four crystal tops. White dolomite rhombohedrons are partially grown on the quartz crystal. Very impressive and undamaged floater piece!

Mineral Data
What's on the rock

Quartz

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White