Zoisite and Hemimorphite Physical Properties

Zoisite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.503.30-3.50

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Perfect {010} imperfect {100}

Perfect on {110}, poor on {101}, {001} rare

1.7 Mohs Hardness

6-75

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Zoisite and Hemimorphite Chemical Formula

While comparing Zoisite and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Zoisite Vs Tourmaline Bi Color

Zoisite Vs Sunstone

Zoisite Vs Sphene

Zoisite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zoisite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.