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Åkermanite Gehlenite Conichalcite Dolomite & Calcite

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RAF561738

Åkermanite Gehlenite Conichalcite Dolomite & Calcite

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Description
Locality: 
NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 5.2 × 6.2 cm
Largest Crystal: 
1.00cm
Weight: 
106.00gr
Description

A gorgeous combination of akermanite, gehlenite, dolomite, calcite crystals on matrix. This specimen is really beautiful! From N'Chwaning I, Northern Cape, South Africa. The XRD paper will be sent with this purchase.  Will only be sent by courier...

Mineral Data
What's on the rock

Åkermanite

Formula: 
Ca2Mg(Si2O7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.0
Streak: 
white

Gehlenite

Formula: 
Ca2Al(AlSiO7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.0
Type Locality: 
Monzoni Mts, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Dolomite

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

Calcite

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