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Rock Crystal
Rock Crystal

Carnelian
Carnelian



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Rock Crystal
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Carnelian

Rock Crystal and Carnelian 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
2.652.58-2.64
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Absent
1.7 Mohs Hardness
76.5-7
Amber
2 10
1.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
SiO2

Rock Crystal and Carnelian Chemical Formula

While comparing Rock Crystal and Carnelian 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 Carnelian chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Carnelian- SiO2

Rock Crystal and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.