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Sphaerobertrandite & Eudidymite

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CSL112600

Sphaerobertrandite & Eudidymite

Type Locality

Description Tabs

Description
Locality: 
Sengischorr Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.4 × 1 cm
Description

Very rare beryllium silicate mineral from the Type Locality. It forms biege spherical (radiating cross sections)aggregaes with colourless, platy eudidymite.
Nice rich piece.

Mineral Data
What's on the rock

Sphaerobertrandite

Formula: 
Be3(SiO4)(OH)2
Strunz: 
9.AE.50
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Eudidymite

Formula: 
Na2Be2Si6O15·H2O
Strunz: 
9.DG.60
Hardness: 
6.0
Type Locality: 
Eudidymite locality, Lille Arøya (Midtre Arøy; Øvre Arøy; Övre-Arö), Langesundsfjorden, Larvik, Vestfold, Norway
Loranth Minerals

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