Birthstone for the M/o July
Ruby, Turquoise, Oynx are the birthstones of July. Ruby is a precious gemstone. Its colour is red to pink or pink to red. It is a variety of corundum. This is the variety of corundum gems and minerals. The formula is aluminum oxide. Ruby is valuable by price and considered a precious stone. Chromium becomes the cause of ruby color. Ruby is a variety of corundum, the formula of which is aluminum oxide. Why ruby rank high in price among precious stones? Learn here.........
What is Ruby Properties?
|Chemical Formula||Al2O3 (aluminum oxide)|
|Colour||Red, Pink, Orangish pink, purplish-pink|
|S.G||3.9 – 4|
|Luster||Vitreous to subadamantine.|
|Transparency||transparent to opaque|
|Ultraviolet fluorescence||red under longwave|
Meaning of July Birthstone: invincibility, positivity