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Adamite
Adamite

Chalcedony
Chalcedony



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Adamite
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Chalcedony

Adamite and Chalcedony Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.32-4.482.55-2.70
Amber
1 7.18
1.5 Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
1.6 Cleavage
{101}, good; {010}, poor
Absent
1.7 Mohs Hardness
3.56.5-7
Amber
2 10
1.8 Chemical Composition
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
SiO2

Adamite and Chalcedony Chemical Formula

While comparing Adamite 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 Adamite and Chalcedony chemical formula.

  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
  • Chemical formula of Chalcedony- SiO2

Adamite and Chalcedony Specific Gravity

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