Clinozoisite and Datolite Physical Properties

Clinozoisite

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

3.21-3.382.90-3.00

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

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

1.6 Cleavage

Perfect on {001}

None

1.7 Mohs Hardness

6-75-5.5

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Clinozoisite and Datolite Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Datolite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Clinozoisite and Datolite Specific Gravity

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