Vanessa
Vanessa Vanessa
Phone/whatsapp:
0086 18807742567
Skype:
xie.joyce3
Wechat:
tianjigems2015
Q Q:
2793911909
Email:
tianyu@tygems.com
Annabella
Annabella Liao Annabella Liao
Phone/whatsapp:
0086 15878057689
Skype:
13481477286
Wechat:
15878057689
Q Q:
2607568980
Email:
anitadeng@tygems.com
Alisa
Alisa Alisa
Phone/whatsapp:
0086 18775027689
Skype:
tianyugems@outlook.com
Wechat:
18775027689
Q Q:
3532374783
Email:
vanessaqin@tygems.com
Emily
Emily Emily
Phone/whatsapp:
0086 18707745369
Skype:
tianyugems2016
Wechat:
18707745369
Q Q:
2089525281
Email:
joycexie@tygems.com
Jerry
Jerry Jerry
Phone/whatsapp:
0086 18807742567
Skype:
xie.joyce3
Wechat:
Tianyugems-lanny
Q Q:
2793911909
Email:
tianyu@tygems.com
Annabella
Annabella Liao Annabella Liao
Phone/whatsapp:
0086 15878057689
Skype:
13481477286
Wechat:
15878057689
Q Q:
2607568980
Email:
anitadeng@tygems.com
Hotline:

+86-774-3991768

简体中文

0 Market price 0
Gemstone Type: Synthetic (lab created)
 Gemstone Color: yellow
 according to your need  
Gemstone Material: sapphire
Gemstone Shape: oval Cut Gemstone
Size: Assorted Gemstone
Weight: According to Size
Treatments Applied: Heat Optical
Special Effects: Color Change
Gems quality:  A/3A/5A / 6A
Chemical Formula: Al2O3 
Application: Jewelry,necklace,earring,rings ect  
Crystal System: Isometric System
Price: Factory price  
Mohs Hardness: 9.0

On Display: 1970-01-01 

Commodity details

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.

Name

Chemical 

Formula

Crystalline 

State

Crystal 

System

Moh

Hardness

Density:

g/cm3

Verneuil 

Method

Special Optical 

Phenomena

Synthetic 

Corundum

Al2O3

Crystalline

Trigonal System

9

3.97

High Purity

Color 

Changing