Thulite and Sapphirine Physical Properties

Thulite

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

3.13.40-3.58

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect {010} imperfect {100}

{010} Perfect

1.7 Mohs Hardness

6-77.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Sapphirine Chemical Formula

While comparing Thulite 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 Thulite and Sapphirine chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Thulite and Sapphirine Specific Gravity

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