Datolite and Cavansite Physical Properties

Datolite

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

2.90-3.00

2.25-2.33

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

Good on {010}

1.7 Mohs Hardness

5-5.5

3-4

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca(VO)Si4O10•4(H2O)

Datolite and Cavansite Chemical Formula

While comparing Datolite 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 Datolite and Cavansite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

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Datolite and Cavansite Specific Gravity

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