Sheen Obsidian and Sapphirine Physical Properties

Sheen Obsidian

Sapphirine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.503.40-3.58

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

{010} Perfect

1.7 Mohs Hardness

5-5.57.5

2 10

1.8 Chemical Composition

Not Available

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sheen Obsidian and Sapphirine Chemical Formula

While comparing Sheen Obsidian and Sapphirine 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 Sapphirine chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sheen Obsidian and Sapphirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sheen Obsidian and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sheen Obsidian and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Sheen Obsidian is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.