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Chalcedony
Chalcedony

Demantoid
Demantoid



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Chalcedony
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Demantoid

Chalcedony and Demantoid Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.703.77-3.95
Amber
1 7.18
1.5 Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Not Available
1.6 Cleavage
Absent
Not Available
1.7 Mohs Hardness
6.5-76.5
Amber
2 10
1.8 Chemical Composition
SiO2
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Chalcedony and Demantoid Chemical Formula

While comparing Chalcedony and Demantoid 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 Demantoid chemical formula.

  • Chemical formula of Chalcedony- SiO2
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Chalcedony and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.