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Rock Crystal
Rock Crystal

Mellite
Mellite



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Rock Crystal
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Mellite

Rock Crystal and Mellite 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
2.651.58-1.60
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
Not Available
{011} Imperfect
1.7 Mohs Hardness
72
Amber
2 10
1.8 Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Rock Crystal and Mellite Chemical Formula

While comparing Rock Crystal and Mellite 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 Mellite chemical formula.

  • Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Rock Crystal and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Mellite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 1.58-1.60 whereas that of Mellite is 1.58-1.60.