Poldervaartite and Malachite Physical Properties

Poldervaartite

Malachite

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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

2.913.25-4.10

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

None

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Poldervaartite and Malachite Chemical Formula

While comparing Poldervaartite and Malachite 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 Malachite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Poldervaartite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.