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Gahnospinel
Gahnospinel

Chalcedony
Chalcedony



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Gahnospinel
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Chalcedony

Gahnospinel and Chalcedony Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.65-4.55
2.55-2.70
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
1.6 Cleavage
None, but may exhibit slight parting
Absent
1.7 Mohs Hardness
7.5-8
6.5-7
1.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO2

Gahnospinel and Chalcedony Chemical Formula

While comparing Gahnospinel and Chalcedony 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 Gahnospinel and Chalcedony chemical formula.

  • Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Chalcedony- SiO2

Gahnospinel and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.

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