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Dolomite & Quartz

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GND25612

Dolomite & Quartz

Description Tabs

Description
Locality: 
Aughamore Quarry, Aughamore, County Sligo, Irish Republic (Eire)
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 3.7 × 3.6 cm
Description

A very fine specimen of textbook "saddle" type crystals of cream coloured dolomite intermixed with clear quartz crystals up to 5 mm long.

Sits well for display and totally damage free.

Mineral Data
What's on the rock

Dolomite

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

Quartz

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