Synthetic corundum can withstand high temperature above 1800℃.

Mohs scale hardness is 8.8.

Density 3.9-4.1g/cm3.

The difference between synthetic ruby corundum and ruby is the hardness. The hardness of ruby is 9 on the Mohs scale, which is only better than diamond, but the hardness of synthetic ruby corundum is slightly lower at 8.8.

The hardness and toughness:

Hardness: white corundum>red corundum>brown corundum;

Toughness: brown corundum>red corundum>white corundum.

Ruby red is very popular in jewelries.

It is said that the person who wears it will have health and longevity, wisdom and wisdom, and be happy in love. Moreover, wearing a red corundum pendant will have a magical power to turn good luck， and turn enemies into friends.

At Zhuo Fan Gems, you can buy the Ruby#8 corundum stones at Wholesale Direct Factory prices from the China Professional Manufacturer and supplier.

Low, Low factory prices from China Wuzhou – the biggest synthetic gemstones manufacturing city in the world.

All sizes and shapes are available.

Contact us for a Quote: info@wzzfgems.com