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Andesine
Andesine

Aragonite
Aragonite



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Andesine
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Aragonite

Andesine and Aragonite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Dilute acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.692.93-2.96
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect on {001}, good on {010}
Distinct on {010}, imperfect {110} and {011}
1.7 Mohs Hardness
6-6.53.5-4
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Andesine and Aragonite Chemical Formula

While comparing Andesine and Aragonite 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 Aragonite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Andesine and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.