10.19ct Oval Cabochon Blue-Grey Star Sapphire 12x9.6mm Bergeon 6173R Reduction Ring --- Pentalobe: 0

Name: 10.19ct Oval Cabochon Blue-Grey Star Sapphire 12x9.6mm Bergeon 6173R Reduction Ring --- Pentalobe: 0
Brand: immerseyourself.com.br
SKU: 12129643445
Price: 553.50 USD
Availability: InStock
Rating: 4.1917 (13 reviews)

SKU: 12129643445

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USD553.50 USD587.50

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Description

--- Pentalobe: 0

1 * Blade Adapter

50mm Twist Drill

Operating Temperature: 0～40℃ (10%～80%RH)

10.19ct Oval Cabochon Blue-Grey Star Sapphire 12x9.6mm Bergeon 6173R Reduction Ring --- Pentalobe: 0Sapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the finest sapphires in colour and clarity are located in Kashmir, Myanmar and Sri Lanka. Nowadays the main sources of sapphires are:

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