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Cyrilovite On Goethite Psm Kapundaite

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PJM140940

Cyrilovite On Goethite Psm Kapundaite

Description Tabs

Description
Locality: 
Toms Phosphate Quarry, Kapunda, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.7 × 1.8 cm
Description

Small spheres of yellow cyrilovite crystals on dark brown goethite pseudomorphs of kapundaite

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Kapundaite

Formula: 
NaCaFe4(PO4)4(OH)3·5H2O
Hardness: 
3.0 - 0.0
Streak: 
yellow
Type Locality: 
Tom's quarry (Tom's Phosphate quarry; Clutterbuck Bros; PM 315; Sobey; BHP; ML 4993), Kapunda, North Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia...
Earthstones Australia

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