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Topaz
Topaz

Spessartine
Spessartine



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Topaz
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Spessartine

Topaz and Spessartine 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
3.49-3.574.12-4.18
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalArthur Thomas, Conchoidal, Brittle
1.6 Cleavage
[001] Perfect
{???} Distinct
1.7 Mohs Hardness
87-7.5
Amber
2 10
1.8 Chemical Composition
Al2SiO4(F,OH)2
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Topaz and Spessartine Chemical Formula

While comparing Topaz and Spessartine 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 Spessartine chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
  • Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Topaz and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Topaz is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.