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Umbozerite
€33.00
A radiating aggregate of minute, black needles of umbozerite in ussingiteKarnasurt, Lovozero, Kola peninsula, Russia
A radiating aggregate of minute, black needles of umbozerite in ussingite. Other minerals present are natrolite, birnessite, and aegirine
BO_262
1 Item
Data sheet
- Locality
- Karnasurt, Lovozero massif, Kola peninsula, Russia
- Size category
- Small miniature
- Size (cm)
- 5x2x2
- Weight
- 24 g
- Formula
- Na3Sr4Th[Si(O,OH)3-4]8
- Properties
- Vitreous; prismatic crystals; brown/black
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A radiating aggregate of minute, black needles of umbozerite in ussingiteKarnasurt, Lovozero, Kola peninsula, Russia