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Andesine
Andesine

Chalcedony
Chalcedony



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Andesine
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Chalcedony

Andesine and Chalcedony Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.692.55-2.70
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
1.6 Cleavage
Perfect on {001}, good on {010}
Absent
1.7 Mohs Hardness
6-6.56.5-7
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
SiO2

Andesine and Chalcedony Chemical Formula

While comparing Andesine and Chalcedony 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 Andesine and Chalcedony chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Chalcedony- SiO2

Andesine and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.