×

Rock Crystal
Rock Crystal

Austinite
Austinite



ADD
Compare
X
Rock Crystal
X
Austinite

Rock Crystal and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

2.654.12
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Uneven

Cleavage

None
Good in two directions parallel to the prism faces {110}

Mohs Hardness

74-4.5
2 10
👆🏻

Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)
CaZn(AsO4)(OH)

Rock Crystal and Austinite Chemical Formula

While comparing Rock Crystal and Austinite 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 Rock Crystal and Austinite chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Rock Crystal and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Austinite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 4.12 whereas that of Austinite is 4.12.