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Umbozerite

€39.00
Radiating aggregates of black, prismatic umbozerite crystals in ussingite
Karnasurt, Lovozero massif, Kola peninsula, Russia
Quantity
Available

Radiating aggregates of black, prismatic umbozerite crystals in pale pinkish purple ussingite. Other minerals present are aegirine, birnessite, and yellow rhabdophane, almost completely replacing manganonordite-(Ce)
BO_266
1 Item

Data sheet

Locality
Karnasurt, Lovozero massif, Kola peninsula, Russia
Size category
Miniature
Size (cm)
6x4x2
Weight
75 g
Formula
Na3Sr4Th[Si(O,OH)3-4]8
Properties
Vitreous; prismatic crystals; brown/black