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Chrome-Chalcedony
Chrome-Chalcedony

Povondraite
Povondraite



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Chrome-Chalcedony
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Chrome-Chalcedony and Povondraite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.70
3.26
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
6.5-7
Not Available
1.8 Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Chrome-Chalcedony and Povondraite Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Povondraite chemical formula.

  • Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
  • Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Chrome-Chalcedony and Povondraite Specific Gravity

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