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Sheen Obsidian
Sheen Obsidian

Topaz
Topaz



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Sheen Obsidian
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Topaz

Sheen Obsidian and Topaz 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
2.33-2.50
3.49-3.57
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Not Available
[001] Perfect
1.7 Mohs Hardness
5-5.5
8
1.8 Chemical Composition
Not Available
Al2SiO4(F,OH)2

Sheen Obsidian and Topaz Chemical Formula

While comparing Sheen Obsidian 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 Sheen Obsidian and Topaz chemical formula.

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  • Chemical formula of Topaz- Al2SiO4(F,OH)2

Sheen Obsidian and Topaz Specific Gravity

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