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Adamite
Adamite

Calcite
Calcite



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Adamite and Calcite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.32-4.48
2.67-2.73
1.5 Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{101}, good; {010}, poor
Perfect on [10 1 1] three directions with angle of 74° 55
1.7 Mohs Hardness
3.5
3
1.8 Chemical Composition
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
CaCO 3Ulrich Henn and Claudio C.

Adamite and Calcite Chemical Formula

While comparing Adamite and Calcite 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 Calcite chemical formula.

  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Adamite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.

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