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Frondelite & Triplite

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SHS66614

Frondelite & Triplite

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 3 cm
Description

Frondelite and triplite on matrix

Mineral Data
What's on the rock

Frondelite

Formula: 
Mn2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Hardness: 
4.5
Type Locality: 
Sapucaia Mine (Proberil mine), Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Brazil

Triplite

Formula: 
(Mn2+,Fe2+)2(PO4)(F,OH)
Strunz: 
8.BB.10
Hardness: 
5.0 - 5.5
Type Locality: 
Chanteloube, Razès, Haute-Vienne, Limousin, France
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