SCANDINAVIAN MINERALS
Columbite (Fe) crystals from Viitaniemi Pegmatite Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland.
Columbite is a black mineral group that is an ore of niobium.
It has a submetallic luster, a high density, and is a niobate of iron (Fe) (ferrocolumbite)
and manganese end-member columbite (Mn).
Formula is Fe2+Nb2O6 to Mn2+Nb2O6 Additional information go to Mindat.org.
All prices are in Swedish currency or US$.
Minimum order 100:- SEK. (= €10, $10, £12)
Discount is available.
Specimens from 25:-SEK or cheaper are excluded.This Lot 2 was published in November 2025.
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Item: co13. Columbite, Cleavelandite, Albite,
Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 2.5x1.4cm. 45:-SEK. US$4.50. 3 crystals. |
Item: co14. Columbite, Cleavelandite, Albite,
Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 3.5x2cm. 60:-SEK. US$6.00. 9 crystals. |
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Item: co15. Columbite, Cleavelandite, Quartz,
Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 5x3cm. 45:-SEK. US$4.50. 4 crystals. |
Item: co16. Columbite, Cleavelandite, Li-muscovite,
Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 5x4.5cm. 115:-SEK. US$11.50. 1 large crystal. |
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Item: co17. Columbite, Quartz, Cleavelandite,
Tucholite, Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 3x2cm. 35:-SEK. US$3.50. |
Item: co18. Columbite, Cleavelandite, Quartz,
Li-muscovite, Tucholite, Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 3x2.5cm. 35:-SEK. US$3.50. |
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Item: co19. Columbite, Quartz, Peerless Mne,
Keystone, Penningham Co, South Dakota, USA. Size: 5x3cm. 240:-SEK. US$24.00. Multipla crystals. |
Item: co20. Columbite, in Quartz, minor Cleavelandite,
Li-muscovite, Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 4x4cm. 50:-SEK. US$5.00. Good crystal. |
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Item: co21. Columbite, Columbite, Quartz, Peerless Mne,
Keystone, Penningham Co, South Dakota, USA. Size: 1x1.2cm. 5:-SEK. US$0.50. Part crystal. |
Item: co22. Columbite, Columbite, Quartz, Peerless Mne,
Keystone, Penningham Co, South Dakota, USA. Size: 1.5x-2cm. 25:-SEK. US$2.50. Part crystal. |
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Item: co23. Columbite, Quartz, Peerless Mne,
Keystone, Penningham Co, South Dakota, USA. Size: 2x1.5cm. 40:-SEK. US$4.00. Part crystals. |
Item: co-. Columbite, Cleavelandite,
Viitaniemi Quarry, Eräjärvi, Orivesi, Pirkamaa, Finland. Size: 0x0cm. 0:-SEK. US$0.00. |