Black Onyx is an opaque dyed variety of cryptocrystalline quartz called Chalcedony. Dyed Black Onyx is frequently used in gold and silver jewelry when a solid black ornamental gemstone is needed. Dyed Black Onyx has a hardness of 6.5 7 and is durable.
Item #SC-TPBO-0014: Man's 14Kt. Yellow Gold Tie Tack with one bezel set 10mm round Black Onyx Cab
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Item #SC-TPBO-0221: Man's 14Kt. Yellow Gold Tie Tack with one 6x12mm Black Onyx Cylinder
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Item #QG-SRB1307: Stretch bracelet with 3mm and 14mm round dyed Howlite beads and 12mm round Black Onyx beads. Fits 7"-8" wrist.
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Item #RKKN-51: ESTATE PIECE - 14Kt. Yellow Gold ring with 9x11mm oval Black Onyx cab set in White Gold. Size 7.
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Item #IGM-PBO-SB-10: Stretch bracelet of 9mm Fresh Water Cultured Pearls and 10mm faceted Black Onyx. Fits 7"-8" wrist.
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Item #SC-EPFC-0801-X1: Rhodium-plated Sterling Silver earrings with 4mm square Golden Citrine of .65 cts. TW, Black Onyx and post backs.
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Item #IC-P004BOF: Handcrafted Indiri Collection Sterling Silver Bali beaded pendant with checkerboard faceted 8x12mm oval Black Onyx.
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Item #ELY-CP-BO-42: Hammered Sterling Silver earrings with 6mm round Cultured Pearls, 7x25mm oval Black Onyx cabs and post backs.
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Item #QG-QP3946: Sterling Silver antiqued pendant with Marcasite and Black Onyx & Mother of Pearl cameo.
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Item #SS-ER-GFW-6: Sterling Silver earrings with gemstone beads and shepherd's hooks. Assorted styles.
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