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Shigaite On Rhodochrosite

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Shigaite On Rhodochrosite

Gem Crystal

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 6 × 8 cm
Largest Crystal: 
0.02cm
Description

A very rare shigaite rose on pink botyriodal rhodochrosite. This specimen comes from N'Chwaning 11 Mine. Though the shigaite crystal is small, it is still an outstanding specimen.

359 gr

Mineral Data
What's on the rock

Shigaite

Formula: 
Mn6Al3(OH)18[Na(H2O)6][SO4]2·6H2O
Strunz: 
7.DD.35
Hardness: 
0.0
Type Locality: 
Ioi mine, Ritto City, Shiga Prefecture, Kinki Region, Honshu Island, Japan

Rhodochrosite

Formula: 
MnCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Cavnic Mine (Kapnikbánya), Cavnic (Kapnic; Kapnik), Maramureș Co., Romania