CABOCHON LARGE LAOS SAPPHIRE 40 CTS RT 99

Item Information

Dimensions (mm) 32 x 27 x 4mm
Weight (carats) not provided
Colors
Certified Gemstone

NATURAL SAPPHIRE

NOT TREATED

MAYBE HEAT TREATED ONLY

 

SIZE  32 X27X 4   MM

 

Sapphires in Laos have come from great depths in the earth and are found in gem gravel created from eroded alkali basalts.  In general, blue, green, and yellow sapphires from Laos have properties and characteristics similar to those of sapphires from other alkali basaltic sources.  In most cases, these sapphires can be readily distinguished from metamorphic sapphires by their higher iron content.  The presence of iron also influences other gemological features and characteristics such as spectra, chemistry, and the type of mineral inclusions.

$39.00 USD

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Pricing & Details

Auction ID 251204
Watchers 3 watching
Viewed 1,030 times
Starts 11th Dec 2011 9:20pm PST

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