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Chalcedony
Chalcedony

Erythrite
Erythrite



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Chalcedony
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Erythrite

Chalcedony and Erythrite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Sectile
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.703.06
Amber
1 7.18
1.5 Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
1.6 Cleavage
Absent
Perfect on {010}; poor on {100} and { 1 02}.
1.7 Mohs Hardness
6.5-7Not Available
Amber
2 10
1.8 Chemical Composition
SiO2
Co3(AsO4)2•8(H2O)

Chalcedony and Erythrite Chemical Formula

While comparing Chalcedony 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 Chalcedony and Erythrite chemical formula.

  • Chemical formula of Chalcedony- SiO2
  • Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Chalcedony and Erythrite Specific Gravity

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