Blue Topaz Stud Earrings
$52.00
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925 Sterling Silver, Gold Plated Cushion Cut Blue Topaz Stud Earring with Butterfly Clutch Backs BIRTHSTONES & ANNIVERSARIES Blue Topaz is the birthstone of December and is the gem of the 4th anniversary. MINERAL: Topaz CHEMISTRY: Al2(F,OH)2SiO4 COLOR: Blue REFRACTIVE INDEX: 1.619 to 1.627 BIREFRINGENCE: 0.008 to 0.010 SPECIFIC GRAVITY: 3.53 MOHS HARDNESS: 8
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