Adamite and Cavansite Physical Properties

Adamite

Cavansite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

2.25-2.33

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{101}, good; {010}, poor

Good on {010}

1.7 Mohs Hardness

3.5

3-4

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Ca(VO)Si4O10•4(H2O)

Adamite and Cavansite Chemical Formula

While comparing Adamite and Cavansite 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 Cavansite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

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Adamite and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.