Elbaite and Clinozoisite Physical Properties

Elbaite

Clinozoisite

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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

2.90-3.103.21-3.38

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Irregular/uneven, Uneven

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Perfect on {001}

1.7 Mohs Hardness

76-7

2 10

1.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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

Elbaite and Clinozoisite Chemical Formula

While comparing Elbaite and Clinozoisite 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 Elbaite and Clinozoisite chemical formula.

Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Elbaite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.