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Pyrope Augite Dolomite Quartz & Hematite

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RAF507127

Pyrope Augite Dolomite Quartz & Hematite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.5 × 0.07 cm
Weight: 
22.00gr
Description

A rare specimen of pyrope, augite, dolomite, quartz and hematite.  2 of the pictures were taken when wet to show how the colours are enhanced.  XRD Report will accompany specimen.

Mineral Data
What's on the rock

Pyrope

Formula: 
Mg3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
7.5
Streak: 
White
Type Locality: 
Czech Republic

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0