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Rock Crystal
Rock Crystal

Diamond
Diamond



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X
Rock Crystal
X
Diamond

Rock Crystal and Diamond Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.653.50-3.53
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Conchoidal

Cleavage

None
111 (perfect in four directions)

Mohs Hardness

710
2 10
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Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)
C

Rock Crystal and Diamond Chemical Formula

While comparing Rock Crystal and Diamond 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 Diamond chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Diamond- C

Rock Crystal and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Diamond Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 3.50-3.53 whereas that of Diamond is 3.50-3.53.