Sapphirine and Rosasite Physical Properties

Sapphirine

Rosasite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.584-4.2

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

{010} Perfect

Perfect on {100} and {010}

1.7 Mohs Hardness

7.54

2 10

1.8 Chemical Composition

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

Not Available

Sapphirine and Rosasite Chemical Formula

While comparing Sapphirine and Rosasite 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 Sapphirine and Rosasite 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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Sapphirine and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 4-4.2 whereas that of Rosasite is 4-4.2.