Clinozoisite and Boracite Physical Properties

Clinozoisite

Boracite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.382.95-2.96

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

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

1.6 Cleavage

Perfect on {001}

None

1.7 Mohs Hardness

6-77-7.5

2 10

1.8 Chemical Composition

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

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Clinozoisite and Boracite Chemical Formula

While comparing Clinozoisite and Boracite 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 Boracite 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 Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Clinozoisite and Boracite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinozoisite and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Boracite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 2.95-2.96 whereas that of Boracite is 2.95-2.96.