Malachite and Johachidolite Physical Properties

Malachite

Johachidolite

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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

3.25-4.103.45

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Not Available

1.6 Cleavage

Perfect on { 2 01} fair on {010}

None

1.7 Mohs Hardness

3.5-47.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

Malachite and Johachidolite Chemical Formula

While comparing Malachite and Johachidolite 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 Johachidolite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

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Malachite and Johachidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Johachidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Johachidolite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.45 whereas that of Johachidolite is 3.45.