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Penkvilksite

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GMA917267

Penkvilksite

Description Tabs

Description
Locality: 
Mont Saint-Hilaire, Montérégie, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.4 × 1.4 cm
Description

Colourless, pale brown well formed clusters of crystals. Nice and rich specimen. The penkvilskite rarely forms crystals.

Mineral Data
What's on the rock

Penkvilksite

Formula: 
Na4Ti2Si8O22·4H2O
Strunz: 
9.EA.60
Hardness: 
5.0
Colour: 
White
Type Locality: 
Yubileinaya pegmatite (Yubileinoye; Jubilejnaja), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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