Cobaltocalcite specimens from Mashamba West, Katanga, Democratic Republic of the Congo. Many of the specimens have associations of kolwezite and/or malachite. Kolwezite is a relatively rare cobalt copper carbonate.
The following specimens were obtained from Congo Minerals and Gilbert Gauthier.
C1 - $95.00
1.9 x 1.3 cm crystal of pink cobaltocalcite with minor kolwezite crystals on quartz. The whole specimen measures 3.5 x 3 cm.
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John@TrinityMinerals.com
C2 - $100.00
2.5 cm crystal of deep pink cobaltocalcite with a coating of kolwezite. This is about as good as the color gets for these!
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C3 - $55.00
5 x 2.3 cm specimen of cobaltocalcite crystals and minor kolwezite.
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C4 - $35.00
3 x 2 cm specimen of aligned, glassy pink crystals of cobaltocalcite.
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C5 - $25.00
3 x 2 cm specimen of light pink crystals of cobaltocalcite.
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C6 - $65.00
5 x 3.5 cm specimen with a coating of 0.3 to 0.5 cm crystals of pink cobaltocalcite with minor malachite.
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C7 - $40.00
3.5 x 2 cm specimen of pink cobaltocalcite with several acicular crystalline masses of kolwezite.
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C8 - $85.00
3.6 x 3.1 cm cluster of pink cobaltocalcite crystals with minor coatings of malachite.
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C9 - $80.00
1.7 cm crystal of pink cobaltocalcite rising from a 4 x 3.5 cm specimen.
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C10 - $95.00
4.5 x 4 cm cluster of cobaltocalcite crystals with minor malachite. The largest crystal is 2 cm in length.
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C11 - $125.00
3.3 x 2.8 cm lustrous group of crystals of cobaltocalcite with a pile of kolwezite in the center.
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C12 - $100.00
6.5 x 4 cm group of crystals of cobaltocalcite with kolwezite. The largest crystal is 2.1 cm in length
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C13 - $150.00
5.5 x 4 cm rich magenta colored rhombic crystals of cobaltoan-dolomite with acicular crystal masses of heterogenite - a rare cobalt oxide hydroxide.
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John@TrinityMinerals.com