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Strengite & Rockbridgeite & Kidwellite

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SHS101576

Strengite & Rockbridgeite & Kidwellite

Description Tabs

Description
Locality: 
Leveäniemi Mine, Svappavaara, Kiruna, Norrbotten County, Sweden
Size Range: 
Cabinet (10-18 cm)
Size: 
11.7 × 10 × 7 cm
Description

Nice lavender spheres of strengite and greenish spheres of rockbridgeite on brown kidwellite. all on a martite matrix

Mineral Data
What's on the rock

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany

Rockbridgeite

Formula: 
Fe2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.5
Type Locality: 
Midvale Mine, South Mountain, Midvale, Rockbridge Co., Virginia, USA

Kidwellite

Formula: 
NaFe3+9(PO4)6(OH)11·3H2O
Strunz: 
8.DK.20
Hardness: 
3.0
Streak: 
yellow
Type Locality: 
Fodderstack Mountain, Norman, Montgomery Co., Arkansas, USA