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Pyrobelonite Triploidite & Shigaite

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JYJ733185

Pyrobelonite Triploidite & Shigaite

Description Tabs

Description
Locality: 
Iron Monarch Open Cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4.2 × 2.3 cm
Description

Blood red pyrobelonite associated with yellow hexagonal shigaite and brown triploidite crystal aggregates. 

Mineral Data
What's on the rock

Pyrobelonite

Formula: 
PbMn2+(VO4)(OH)
Strunz: 
8.BH.40
Hardness: 
3.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Triploidite

Formula: 
(Mn2+,Fe2+)2(PO4)(OH)
Strunz: 
8.BB.15
Hardness: 
4.5 - 5.0
Type Locality: 
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA

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