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Dellaite & Rustumite In Spurrite

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SHS575428

Dellaite & Rustumite In Spurrite

Description Tabs

Description
Locality: 
Negra Mine, Maconi, Cadereyta Municipality, Queretaro, Mexico
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.2 × 0.7 cm
Description

Dellaite and rustumite in spurrite

Mineral Data
What's on the rock

Dellaite

Formula: 
Ca6(Si2O7)(SiO4)(OH)2
Strunz: 
9.BG.45
Crystal System: 
Triclinic
Hardness: 
0.0
Type Locality: 
Kilchoan, Ardnamurchan, North West Highlands (Argyllshire), Scotland, UK

Rustumite

Formula: 
Ca10(Si2O7)2(SiO4)(OH)2Cl2
Strunz: 
9.BG.30
Hardness: 
0.0
Type Locality: 
Kilchoan, Ardnamurchan, North West Highlands (Argyllshire), Scotland, UK

Spurrite

Formula: 
Ca5(SiO4)2(CO3)
Strunz: 
9.AH.15
Hardness: 
5.0
Streak: 
white
Type Locality: 
Terneras Mine, Velardeña, Velardeña District, Mun. de Cuencamé, Durango, Mexico