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Umbozerite

€23.00
A small rosette of black umbozerite in altered ussingite
Karnasurt, Lovozero, Kola peninsula, Russia
Quantity
Available

A small but very nice umbozerite specimen, from the type locality. The matrix is altered ussingite
AN_491
1 Item

Data sheet

Locality
Karnasurt, Lovozero massif, Kola peninsula, Russia (TL)
Size category
Small miniature
Size (cm)
4 x 2 x 2.2
Weight
18 g
Formula
Na3Sr4Th[Si(O,OH)3-4]8
Properties
Vitreous; prismatic crystals; brown/black