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Perraultite & Hastingsite

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CLB141370

Perraultite & Hastingsite

Rare Mineral

Description Tabs

Description
Locality: 
Dmitrievskii Quarry, Oktyabr'skii, Azov Sea Region, Donetsk Oblast', Ukraine
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3 × 2.1 cm
Description

Brown perraultite and dark gray hastingsite in matrix.
Originally labelled as hejtmanite, but this can easily be confused with perraultite.

Mineral Data
What's on the rock

Perraultite

Formula: 
BaNaMn2+4Ti2 (Si2O7)2O2(OH)2F
Strunz: 
9.BE.67
Crystal System: 
Monoclinic
Hardness: 
6.5 - 4.0
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

Hastingsite

Formula: 
{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2
Strunz: 
9.DE.15
Hardness: 
5.0 - 6.0
Type Locality: 
Dungannon Township, Hastings Co., Ontario, Canada

Seller Information

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