Poldervaartite and Hemimorphite Physical Properties

Poldervaartite

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

2.913.30-3.50

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

Not Available5

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Hemimorphite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Hemimorphite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Poldervaartite and Hemimorphite Specific Gravity

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