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Cyrilovite & Gordonite

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SER653365

Cyrilovite & Gordonite

Description Tabs

Description
Locality: 
Eduardo Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.1 × 2.5 cm
Description

A fantastic group of yellow cyrilovite crystals with light orange gordonite and red variscite

Mineral Data
What's on the rock

Cyrilovite

Formula: 
NaFe3+3(PO4)2(OH)4·2H2O
Strunz: 
8.DL.10
Crystal System: 
Tetragonal
Hardness: 
4.0
Streak: 
Yellow
Type Locality: 
Cyrilov phosphate pegmatite (Cyrillhof), Velké Meziříčí, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic

Gordonite

Formula: 
MgAl2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Hardness: 
3.5
Streak: 
White
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA