Zoisite and Clinochlore Physical Properties

Zoisite

Clinochlore

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.502.60-3.02

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

Uneven

1.6 Cleavage

Perfect {010} imperfect {100}

{001} Perfect

1.7 Mohs Hardness

6-72-2.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Zoisite and Clinochlore Chemical Formula

While comparing Zoisite and Clinochlore 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 Zoisite and Clinochlore chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Clinochlore- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

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Zoisite and Clinochlore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Clinochlore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Clinochlore Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 2.60-3.02 whereas that of Clinochlore is 2.60-3.02.