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Kombatite Copper & Milanriederite

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BCK703700

Kombatite Copper & Milanriederite

John Innes and W.A. Cook collections
Type Locality

Description Tabs

Description
Locality: 
Kombat Mine, Grootfontein, Otjozondjupa Region, Namibia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.4 × 1.7 cm
Description

You are bidding on a small sample with several different minerals in matrix. There are small yellow and orange patches of kombatite and asisite with rich native copper and many small bright red crystals of what is probably the new species milanriederite. From the John Innes collection who specialized in the minerals of the Kombat Mine. 

Mineral Data
What's on the rock

Kombatite

Formula: 
Pb14(VO4)2O9Cl4
Strunz: 
8.BO.20
Hardness: 
2.0 - 3.0
Type Locality: 
Kombat Mine (Klein Otavi; Asis), Kombat, Grootfontein District, Otjozondjupa Region, Namibia

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Milanriederite

Formula: 
Ca19Fe3+Al4(Mg4Al4)Si18O67(OH)11
Group Parent: 
Vesuvianite Group
Crystal System: 
Tetragonal
Type Locality: 
Kombat Mine, Grootfontein, Namibia

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