Pyrope and Hemimorphite Physical Properties

Pyrope

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in water

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.873.30-3.50

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

7-7.55

2 10

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Pyrope and Hemimorphite Chemical Formula

While comparing Pyrope 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 Pyrope and Hemimorphite chemical formula.

Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Pyrope and Hemimorphite Specific Gravity

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