Wholesales ruby corundum free sample 5# pagoda-shaped rose ruby corundum stone

Wholesales ruby corundum free sample 5# pagoda-shaped rose ruby corundum stone

Synthetic Corundum

In 1902, Auguste Verneuil, a French chemist, developed a method known as flame fusion 

to create synthetic ruby. It was the beginning of created gemstones in the laboratory

 in human history.

The method “flame fusion” also called “Verneuil’s method”. This method can be used

 for the creation of other gems materials, including sapphire, star sapphire, spinel, rutile, and 

strontium titanate.

Traditional flame fusion was being improved for many times in its development. Carefully control

 the temperature of crystal cooling or the speed of cooling, different quality synthetic gemstone

 materials are produced.

Corundum is formed of aluminum oxide (Al2O3).The color of the chromium-doped corundum is red, generally called ruby. The color is blue or colorless, called blue spphire. 

Corundum rich in color, almost includes the red, orange, yellow, green, cyan, blue, purple of the 

visible spectrum. Pure corundum is colorless, sometimes it will in different colors when presented 

with different trace elements , Polished surface with a Bright vitreous luster or sub-adamantine luster.

Dear Buyers,
Thank you for buying from us. We hope your shopping experience with us to be a good one.
You could enjoy the following services from us:
1. FREE SAMPLES for in stock products. You need only cover the shipping fee.
2.FREE SHIPPING for orders above $1000.0 USD dollars. Shipping fee for sample order will be

refund as well.
3. 7 Days Return Policy WITHOUT REASON!!! Just make sure stones are undamaged and unused.

WHY CHOOSE US?
1.We are a Supplier with more than 15 years factory management experience.
2.OEM/ODM Service
3.Professional Packaging which will protect your goods from being demaged.
4.1 DAY delivery for in stock products.
5.Alibaba logistic. Low shipping charges. Tracking your packaging anytime, anywhere.