Langbeinite and Sapphirine Physical Properties

Langbeinite

Sapphirine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.40-3.58

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

{010} Perfect

1.7 Mohs Hardness

3.5-47.5

2 10

1.8 Chemical Composition

Not Available

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

Langbeinite and Sapphirine Chemical Formula

While comparing Langbeinite 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 Langbeinite 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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Langbeinite and Sapphirine Specific Gravity

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