Rhodolite and Malachite Physical Properties

Rhodolite

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

3.843.25-4.10

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

none, may show indistinct parting

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Cu₂CO₃(OH)₂

Rhodolite and Malachite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Malachite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Rhodolite and Malachite Specific Gravity

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