Malachite and Anthophyllite Physical Properties

Malachite

Anthophyllite

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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

3.25-4.10

2.9-3.5

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect on { 2 01} fair on {010}

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

3.5-4

5.5-6

1.8 Chemical Composition

Cu₂CO₃(OH)₂

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Malachite and Anthophyllite Chemical Formula

While comparing Malachite and Anthophyllite 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 Anthophyllite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Malachite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.