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Laplandite & Mountainite

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JYJ725897

Laplandite & Mountainite

Description Tabs

Description
Locality: 
Yubileinaya Pegmatite, Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 2.6 × 1.5 cm
Description

Colourless lustrous laplandite associated with filigrane white mountainite on matrix. From an old systematic collection. 

 

Mineral Data
What's on the rock

Laplandite

Renamed To: 

Laplandite-(Ce)

Formula: 
Na4CeTiPO4Si7O18·5H2O
Strunz: 
9.DJ.10
Hardness: 
2.0 - 3.0

Mountainite

Formula: 
KNa2Ca2[Si8O19(OH)]·6H2O
Strunz: 
9.GG.10
Hardness: 
3.0
Colour: 
white
Streak: 
white
Type Locality: 
Bultfontein, Lejweleputswa District, Free State Province, South Africa