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Huttonite & Steacyite

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CHP853537

Huttonite & Steacyite

Classic Locality

Description Tabs

Description
Locality: 
Água de Pau Volcano, São Miguel Island, Azores District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.7 × 0.6 cm
Description

specimen with a beautiful tabular yellow-greenish crystal of the extremely rare huttonite on a tuft of prismatic crystals of steacyite.

c. 2361

Mineral Data
What's on the rock

Huttonite

Formula: 
ThSiO4
Strunz: 
9.AD.35
Hardness: 
5.0
Type Locality: 
Gillespie's Beach, Salt Water Creek, South Westland, West Coast (Westland), South Island, New Zealand...

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

Seller Information

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