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Grumantite

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SKY921056

Grumantite

Type Locality

Description Tabs

Description
Locality: 
Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1.3 cm
Description

White silky aggregates of the very rare Na silicate mineral grumantite from the type and only one of two known localities worldwide in Russia.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Grumantite

Formula: 
Na(HSi2O5)·H2O
Strunz: 
9.EH.10
Hardness: 
4.0 - 5.0
Colour: 
white
Streak: 
white
Type Locality: 
Severnyi quarry, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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