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Blue Spinel - Nigeria
Blue Spinel octahedral crystals from Nigeria, ranging from steely blue to deep cobalt blue. Nigerian material of this type is often zinc-rich gahnite, an uncommon member of the Spinel family. Most of these crystals are perfectly clean, although quite small
123 pieces / 3.868 grams / 19.340 total carats / 0.15+ carat average
$350.00
1 in stock