• Online only
Umbozerite
search
  • Umbozerite
  • Umbozerite

Umbozerite

€30.00
Sheaf-like, radiating aggregate of black umbozerite needles in altered ussingite
Karnasurt, Lovozero, Kola peninsula, Russia
Quantity
Available

Sheaf-like, radiating aggregate of black umbozerite needles/tabular prisms in altered ussingite, with aegirine
BO_263
1 Item

Data sheet

Locality
Karnasurt, Lovozero massif, Kola peninsula, Russia
Size category
Small miniature
Size (cm)
5x3x1.5
Weight
20 g
Formula
Na3Sr4Th[Si(O,OH)3-4]8
Properties
Vitreous; prismatic crystals; brown/black