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Sinhalite
Sinhalite

Topaz
Topaz



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Sinhalite
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Topaz

Sinhalite and Topaz Physical Properties

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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
3.46-3.503.49-3.57
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Not Available
[001] Perfect
1.7 Mohs Hardness
6-78
Amber
2 10
1.8 Chemical Composition
MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al2SiO4(F,OH)2

Sinhalite and Topaz Chemical Formula

While comparing Sinhalite and Topaz 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 Sinhalite and Topaz chemical formula.

  • Chemical formula of Sinhalite- MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Topaz- Al2SiO4(F,OH)2

Sinhalite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.