×

Star Ruby
Star Ruby

Plasma
Plasma



ADD
Compare
X
Star Ruby
X
Plasma

Star Ruby and Plasma Physical Properties

Add ⊕

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.95-4.10-9999
1 7.18
👆🏻

Fracture

Uneven
-

Cleavage

None
None

Mohs Hardness

-9999-9999
2 10
👆🏻

Chemical Composition

Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
Cu9(AsO4)2(OH)10

Star Ruby and Plasma Chemical Formula

While comparing Star Ruby and Plasma physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Star Ruby and Plasma chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Plasma- Cu9(AsO4)2(OH)10

Star Ruby and Plasma Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Plasma Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Plasma Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is whereas that of Plasma is .