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Steacyite

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SHS186929

Steacyite

Description Tabs

Description
Locality: 
Murunskii Massif, Aldan Shield, Sakha Republic, Russian Federation
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 3.8 × 2.4 cm
Description

Nice steacyite in charoite with black aegirine suns

Mineral Data
What's on the rock

Steacyite

Formula: 
(◻,K)(Na,Ca)2(Th,U)[Si8O20]
Strunz: 
9.CH.10
Hardness: 
5.0
Type Locality: 
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada