Polyhalite and Clinozoisite Physical Properties

Polyhalite

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.21-3.38

1 7.18

1.5 Fracture

Conchoidal, Brittle

Irregular/uneven, Uneven

1.6 Cleavage

Perfect on {10 1 }; parting on {010}

Perfect on {001}

1.7 Mohs Hardness

3.56-7

2 10

1.8 Chemical Composition

Not Available

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

Polyhalite and Clinozoisite Chemical Formula

While comparing Polyhalite 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 Polyhalite and Clinozoisite chemical formula.

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

Compare Red Gemstones

Polyhalite Vs Vanadinite

Polyhalite Vs Jacinth

Polyhalite Vs Heliotrope

Polyhalite and Clinozoisite Specific Gravity

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