Holmquistite and Malachite Physical Properties

Holmquistite

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

2.95-3.133.25-4.10

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

{210} Perfect

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

5-63.5-4

2 10

1.13 Chemical Composition

Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Cu₂CO₃(OH)₂

Holmquistite and Malachite Chemical Formula

While comparing Holmquistite 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 Holmquistite and Malachite chemical formula.

Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Malachite- Cu₂CO₃(OH)₂

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Holmquistite and Malachite Specific Gravity

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