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Ranciéite

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GFM616030

Ranciéite

Rare Mineral

Description Tabs

Description
Locality: 
Evelyn Creek, Whitehorse District, Yukon, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3.8 × 2.8 cm
Largest Crystal: 
0.30cm
Description

grey-metallic crystals of 1 mm, very rich with pale rose rhodochrosite crystals of 3 mm on vugs in pale pinkish rhodonite matrix. Very nice specimens from a really remote location

Mineral Data
What's on the rock

Ranciéite

Formula: 
(Ca,Mn)Mn4O9·3H2O
Strunz: 
4.FL.40
Crystal System: 
Hexagonal
Hardness: 
2.5 - 3.0
Type Locality: 
Le Rancié Mine, Sem, Vicdessos, Ariège, Midi-Pyrénées, France