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Ferrimolybdite & Molybdenite

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MCH687421

Ferrimolybdite & Molybdenite

Description Tabs

Description
Locality: 
Knaben Mines, Knaben, Kvinesdal, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 5 × 3 cm
Description

A very rich specimen of ferrimolybdite that covers as yellow coloured crystalline masses and crusts a rock consisting of numerous partially well developped molybdenite crystals and quartz. Specimen from the abandoned formerly very important molybdenum mines at Knaben in Southern Norway.

Mineral Data
What's on the rock

Ferrimolybdite

Formula: 
Fe2(MoO4)3·nH2O
Strunz: 
7.GB.30
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 2.0
Type Locality: 
Alekseevskii Mine, Lake Iktul', Karysh River Basin, Khakassia Republic (Khakassy Republic; Khakassiya Republic), Eastern-Siberian Region, Russia...

Molybdenite

Formula: 
MoS2
Strunz: 
2.EA.30
Crystal System: 
Hexagonal
Hardness: 
1.0 - 1.5

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