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Rock Crystal
Rock Crystal

Variscite
Variscite



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Rock Crystal
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Variscite

Rock Crystal and Variscite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.652.42-2.58
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
Not Available
[010] perfect
1.7 Mohs Hardness
74-5
Amber
2 10
1.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
AlPO4 · 2(H2O)

Rock Crystal and Variscite Chemical Formula

While comparing Rock Crystal and Variscite 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 Variscite chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Variscite- AlPO4 · 2(H2O)

Rock Crystal and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Variscite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 2.42-2.58 whereas that of Variscite is 2.42-2.58.