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Quartz Psm Psm Calcite

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MGR898050

Quartz Psm Psm Calcite

Floater

Description Tabs

Description
Locality: 
Rub'al Kali Desert, Oman
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
11.6 × 8.1 × 2.7 cm
Description

Wonderful cluster of botryoidal grown quartz which was replacing calcite. Size and quality are definately remarkable.

Mineral Data
What's on the rock

Quartz

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

Calcite

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