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Cobalt 8mm ring with gold color groove
Cobalt 8mm ring with gold color groove

Cobalt 8mm ring with gold color groove

ID : TECO 298-8mm
Condition :  New
$79.00
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Description

Cobalt 8mm ring
gold color groove
Full size:7-12
Half size:8.5, 9.5, 10.5

ALL RINGS COME IN GIFT BOXES

Cobalt is a hard, luscious grey metal. Pure cobalt is n ot found in nature, but compounds of cobalt are common. Cobalt has a hardness of 5.5 on the Mohs scale of mineral hardness. Cobalt is the whitest contemporary material offered today. It is natural and less dense than other materials, allowing for greater height and shape to be yielded into designs. Cobalt is hard. Platinum is approxamtly 140 Vickers as compared to Cobalt which is 450 Vickers. Cobalt is not only hypoallergenic; it is bio-compatible to the body. Cobalt is soft and susceptible to scratch and wear, but could be polished and resized up by up to ½ size, not full.