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Eosphorite Fluorapatite & Gormanite-Souzalite Series

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PAV950718

Eosphorite Fluorapatite & Gormanite-Souzalite Series

Classic Locality

Description Tabs

Description
Locality: 
Gentil Claim, Mendes Pimentel, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.2 × 2.1 cm
Description

Very nice group of eosphorite crystals on green gormanite-souzalite. Blue fluorapatite crystals are also present.

Acquired: 
Boxed with Label
Mineral Data
What's on the rock

Eosphorite

Formula: 
(Mn2+,Fe2+)Al(PO4)(OH)2·H2O
Strunz: 
8.DD.20
Crystal System: 
Orthorhombic
Hardness: 
5.0
Streak: 
White
Type Locality: 
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Gormanite-Souzalite Series

Formula: 
(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O to (Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Crystal System: 
Triclinic