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Grumantite

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SKY683516

Grumantite

Type Locality

Description Tabs

Description
Locality: 
Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 0.7 × 0.6 cm
Description

Tan crystals of the rare silicate mineral grumantite from the type locality and only one of the two known localities worldwide

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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