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Grimaldiite

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GMN947777

Grimaldiite

Description Tabs

Description
Locality: 
Saranovskii Mine, Saranovskaya, Gorozavodskii, Perm Krai, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 0.4 cm
Description

Crystalgroup og brown hexagonal tabular crystals in the matrix cavity. This mineral rarely forms free-standing crystals.

Analysed by Dr. Igor Pekov

Mineral Data
What's on the rock

Grimaldiite

Formula: 
CrO(OH)
Strunz: 
4.FE.20
Hardness: 
3.5 - 4.5
Type Locality: 
Merume river, Kamakusa, Mazaruni District, Guyana

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