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Carnelian
Carnelian

Variscite
Variscite



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Carnelian
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Variscite

Carnelian 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
2.58-2.642.42-2.58
Amber
1 7.18
1.5 Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
Absent
[010] perfect
1.7 Mohs Hardness
6.5-74-5
Amber
2 10
1.8 Chemical Composition
SiO2
AlPO4 · 2(H2O)

Carnelian and Variscite Chemical Formula

While comparing Carnelian 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 Carnelian and Variscite chemical formula.

  • Chemical formula of Carnelian- SiO2
  • Chemical formula of Variscite- AlPO4 · 2(H2O)

Carnelian and Variscite Specific Gravity

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