Chalcedony and Sapphirine Physical Properties

Chalcedony

Sapphirine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.40-3.58

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

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

1.6 Cleavage

Absent

{010} Perfect

1.7 Mohs Hardness

6.5-77.5

2 10

1.8 Chemical Composition

SiO₂

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

Chalcedony and Sapphirine Chemical Formula

While comparing Chalcedony 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 Chalcedony and Sapphirine chemical formula.

Chemical formula of Chalcedony- SiO₂
Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chalcedony and Sapphirine Specific Gravity

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