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Andesine
Andesine

Erythrite
Erythrite



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Andesine
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Erythrite

Andesine and Erythrite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Sectile
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.693.06
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
1.6 Cleavage
Perfect on {001}, good on {010}
Perfect on {010}; poor on {100} and { 1 02}.
1.7 Mohs Hardness
6-6.5Not Available
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
Co3(AsO4)2•8(H2O)

Andesine and Erythrite Chemical Formula

While comparing Andesine and Erythrite 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 Erythrite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Andesine and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 3.06 whereas that of Erythrite is 3.06.