Sapphirine and Caledonite Physical Properties

Sapphirine

Caledonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.585.6-5.76

1 7.18

1.5 Fracture

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

Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)

1.6 Cleavage

{010} Perfect

[001] perfect; [100] distinct

1.7 Mohs Hardness

7.52.5-3

2 10

1.8 Chemical Composition

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

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Sapphirine and Caledonite Chemical Formula

While comparing Sapphirine and Caledonite 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 Caledonite chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

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Sapphirine and Caledonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.