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Crandallite Gormanite-Souzalite Series & Fluorapatite

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PAV933450

Crandallite Gormanite-Souzalite Series & Fluorapatite

Classic Locality

Description Tabs

Description
Locality: 
Gentil Claim, Mendes Pimentel, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.2 × 2 cm
Description

Rich and complex sample!

Bluish ang orange crandallite crystals associated to green gormanite-souzalites series needles and white fluorapatite crystals.

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

Crandallite

Formula: 
CaAl3(PO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Brooklyn Mine, Silver City, Tintic District, East Tintic Mts, Juab Co., Utah, USA

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

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