Malachite and Rhodizite Physical Properties

Malachite

Rhodizite

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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

3.25-4.103.34-3.44

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Perfect on { 2 01} fair on {010}

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

3.5-48-8.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Malachite and Rhodizite Chemical Formula

While comparing Malachite and Rhodizite 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 Malachite and Rhodizite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Malachite and Rhodizite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Rhodizite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Rhodizite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.34-3.44 whereas that of Rhodizite is 3.34-3.44.