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Andesine
Andesine

Povondraite
Povondraite



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Andesine
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Povondraite

Andesine and Povondraite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.693.26
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Perfect on {001}, good on {010}
None
1.7 Mohs Hardness
6-6.5Not Available
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Andesine and Povondraite Chemical Formula

While comparing Andesine and Povondraite 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 Povondraite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Andesine and Povondraite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Povondraite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Povondraite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 3.26 whereas that of Povondraite is 3.26.