Nosean and Malachite Physical Properties

Nosean

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

2.30-2.40

3.25-4.10

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

{110} Perfect

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

Not Available

3.5-4

1.8 Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

Cu₂CO₃(OH)₂

Nosean and Malachite Chemical Formula

While comparing Nosean 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 Nosean and Malachite chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Nosean and Malachite Specific Gravity

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