Prasiolite and Datolite Physical Properties

Prasiolite

Datolite

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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

2.652.90-3.00

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

None

1.7 Mohs Hardness

75-5.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Datolite Chemical Formula

While comparing Prasiolite and Datolite 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 Prasiolite and Datolite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Prasiolite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prasiolite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prasiolite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Prasiolite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.