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Sheen Obsidian
Sheen Obsidian

Alexandrite
Alexandrite



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Sheen Obsidian
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Alexandrite

Sheen Obsidian and Alexandrite 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
2.33-2.503.69-3.81
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Not Available
1,1 ; 3,2.
1.7 Mohs Hardness
5-5.58.5
Amber
2 10
1.8 Chemical Composition
Not Available
BeAl 2 O 4

Sheen Obsidian and Alexandrite Chemical Formula

While comparing Sheen Obsidian and Alexandrite 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 Alexandrite chemical formula.

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  • Chemical formula of Alexandrite- BeAl 2 O 4

Sheen Obsidian and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sheen Obsidian and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sheen Obsidian and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Sheen Obsidian is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.