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Sphaerobertrandite & Eudidymite

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CSL130464

Sphaerobertrandite & Eudidymite

Type Locality

Description Tabs

Description
Locality: 
Sengischorr Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.9 × 0.5 cm
Description

Sphaerobertrandite is a very rare beryllium silicate mineral. . It forms colourless to biege coloured spherical (radiating cross sections)aggregaes in colourless, platy eudidymite matrix. This piece is from the Type Locality

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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