Synthetic corundum can withstand high temperature above 1800℃.

Mohs scale hardness is 8.8.

Density 3.9-4.1g/cm3.

Corundum with a discoloration effect. For example, vanadium-containing corundum is grayish-blue-green under sunlight and red-purple under incandescent lamps; corundum containing chromium and vanadium is blue-green under sunlight and pink under incandescent lamps.

At Zhuo Fan Gems, you can buy the Alexandrite#46 Corundum stones at Wholesale Source Factory prices from the China Professional Manufacturer and supplier.

All sizes and shapes are available.

Contact us for a Quote: info@wzzfgems.com