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Strontianite & Calcite

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RAF617169

Strontianite & Calcite

Fluorescent

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 7.5 × 4 cm
Largest Crystal: 
1.10cm
Weight: 
311.00gr
Description

An excellent strontianite and calcite specimen. Wonderful and eye catching glinting formations from N'chwaning II.  The fluorescent colour should be more on the green side.

Mineral Data
What's on the rock

Strontianite

Formula: 
SrCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Strontian, North West Highlands (Argyllshire), Scotland, UK

Calcite

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