4.9 (311) · $ 18.00 · In stock
Small spinel stones with good transparency and fine cobalt-blue colour can sell for about 10 times the price of a comparable sapphire.
The two scapolite spectra (left) and SAM mapping results (right) from
Birth Flower and Name Disc Pendant Necklace
This 1.39 ct near-colorless gem diamond (bottom left) has a complex
ICA Director's Report, ICA at JCK, InColor Special Thailand Issue, and Other Gem & Jewelry News
Scientists figure out origin of cobalt-blue spinel in Canada's
Sodalite: Mineral information, data and localities.
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Spinel Specimens 5 x 4.5 x 3mm 6 cts Auction #1920272 Gem Rock Auctions
RARE Color- 6.0cts Natural Unheated Cobalt Blue Spinel(never seen before)
Delicate Yellow Flower With Five Petals, Green Leaves In Blurred Background Stock Photo Alamy