Pleonaste and Malachite Physical Properties

Pleonaste

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

3.803.25-4.10

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

83.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Cu₂CO₃(OH)₂

Pleonaste and Malachite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Malachite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste and Malachite Specific Gravity

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