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Raslakite

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SKY664174

Raslakite

Type Locality

Description Tabs

Description
Locality: 
Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 1.2 cm
Description

Red glassy raslakite is nepheline-syenite.

Rare eudyalite group mineral, occurs only at 2 places worldwide, this one from the type locality.

Mineral Data
What's on the rock

Raslakite

Formula: 
Na15Ca3Fe2+3(Na,Zr)3Zr3Nb<0.5[(Cl,OH)|(Si3O9)2|(Si9O27)2SiO]·3(OH,H2O)
Strunz: 
9.CO.10
Hardness: 
5.0 - 0.0
Streak: 
white
Type Locality: 
Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

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