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spinel
Blue and light-blue spinel
Cobalt Blue
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Set of blue and cyan spinels in Asscher cut 1.87 ct
Unique octagon cut cobalt spinel 1.65 ct, Tanzania
Blue-gray Burmese round cut spinel 0.92 ct
Burmese blue-grey heart cut spinel 4.20 ct
Spinel blue with a greenish tint 2.01 ct, Burma
Heart cut blue spinel 3.36 ct, Tanzania
Burmese Violet Gray Heart Cut Spinel 3.10 ct, GFCO
Heart cut bright blue spinel 2.11 ct
Intense heart cut blue spinel 2.06 ct
Blue spinel from Burma, 2.48 ct
Pair of spinels 2.59 ct, Vietnam
Pair of pink and blue spinels 5.45 ct
Pair of spinels from Burma and Sri Lanka 4.48 ct
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pear
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