Sard and Datolite Physical Properties

Sard

Datolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.632.90-3.00

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-75-5.5

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

Sard and Datolite Chemical Formula

While comparing Sard 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 Sard and Datolite chemical formula.

Chemical formula of Sard- 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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Sard and Datolite Specific Gravity

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