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Tamaite

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JYJ622252

Tamaite

Description Tabs

Description
Locality: 
Molinello Mine, Ne, Graveglia Valley, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.3 × 0.2 cm
Description

Yellow tamaite on matrix. Very rare mineral.

Mineral Data
What's on the rock

Tamaite

Formula: 
(Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112·21H2O
Strunz: 
9.EG.30
Crystal System: 
Monoclinic
Hardness: 
4.0
Streak: 
White
Type Locality: 
Shiromaru mine (Hakumaru mine), Okutama-cho, Nishi-Tama-gun, Tokyo Metropolis, Kanto Region, Honshu Island, Japan