Hercynite and Clinozoisite Physical Properties

Hercynite

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

4.393.21-3.38

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Irregular/uneven, Uneven

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Perfect on {001}

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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

Hercynite and Clinozoisite Chemical Formula

While comparing Hercynite 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 Hercynite and Clinozoisite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
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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Hercynite and Clinozoisite Specific Gravity

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