Freudenbergite
- Mount Kaskasnyunchorr
- Khibiny Massif
- Kola Peninsula
- Murmansk Oblast
- Russia
- 27 by 17 by 10 mm – Thumbnail specimen (fits into a 3 cm cube)
Minute black grains of freudenbergite are associated with red rutile grains in matrix. This is a rare sodium titanium oxide mineral.
Price: $160

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