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Topaz
Topaz

Andradite Garnet
Andradite Garnet



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Topaz
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Andradite Garnet

Topaz and Andradite Garnet 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
3.49-3.573.8-3.9
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
[001] Perfect
None
1.7 Mohs Hardness
86.5-7.5
Amber
2 10
1.8 Chemical Composition
Al2SiO4(F,OH)2
Ca3Fe3+2Si3O12

Topaz and Andradite Garnet Chemical Formula

While comparing Topaz and Andradite Garnet 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 Topaz and Andradite Garnet chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
  • Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12

Topaz and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.