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Topaz
Topaz

Petoskey Stone
Petoskey Stone



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Topaz
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Petoskey Stone

Topaz and Petoskey Stone 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
3.49-3.57Not Available
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
[001] Perfect
Not Available
1.7 Mohs Hardness
87
Amber
2 10
1.8 Chemical Composition
Al2SiO4(F,OH)2
Not Available

Topaz and Petoskey Stone Chemical Formula

While comparing Topaz and Petoskey Stone 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 Petoskey Stone chemical formula.

  • Chemical formula of Topaz- Al2SiO4(F,OH)2
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Topaz and Petoskey Stone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Petoskey Stone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Petoskey Stone Optical Properties during the identification of gemstone. Specific gravity of Topaz is Not Available whereas that of Petoskey Stone is Not Available.