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Ullmannite & Garnierite

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SCH63141

Ullmannite & Garnierite

Description Tabs

Description
Locality: 
Imiter Mine, Tinghir Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2.8 × 1.5 cm
Description

Badly formed crystals of ullmannite partly altered in garnierite. Comes with previous labels, from the Casagrande collection.

Mineral Data
What's on the rock

Ullmannite

Formula: 
NiSbS
Strunz: 
2.EB.25
Crystal System: 
Isometric
Hardness: 
5.0 - 5.5
Type Locality: 
Storch und Schöneberg Mine, Gosenbach, Siegerland, North Rhine-Westphalia, Germany

Garnierite

Synonym Of: 

Népouite

Formula: 
(Ni,Mg)3(Si2O5)(OH)4
Strunz: 
9.ED.15
Hardness: 
2.0 - 2.5

Pimelite

Willemseite

Formula: 
(Ni,Mg)3(Si4O10)(OH)2
Strunz: 
9.EC.05
Hardness: 
0.0
schani

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