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Sheldrickite & Pectolite

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SYM768688

Sheldrickite & Pectolite

Type Locality

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.8 × 0.8 cm
Description

Pearly sheldrickite on pectolite. I did not place an arrow on the specimen because there are many on the specimen.

Mineral Data
What's on the rock

Sheldrickite

Formula: 
NaCa3(CO3)2F3·H2O
Strunz: 
5.DC.15
Crystal System: 
Trigonal
Hardness: 
3.0
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

Pectolite

Formula: 
NaCa2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Sano, Mori, Mt. Baldo, Lagarina Valley, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy