Chrysocolla and Holmquistite Physical Properties

Chrysocolla

Holmquistite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.00-2.452.95-3.13

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

none

{210} Perfect

1.7 Mohs Hardness

2-45-6

2 10

1.8 Chemical Composition

Cu₂H₂Si₂O₅(OH)₄

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

Chrysocolla and Holmquistite Chemical Formula

While comparing Chrysocolla and Holmquistite 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 Chrysocolla and Holmquistite chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄
Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Chrysocolla and Holmquistite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysocolla and Holmquistite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysocolla and Holmquistite Optical Properties during the identification of gemstone. Specific gravity of Chrysocolla is 2.95-3.13 whereas that of Holmquistite is 2.95-3.13.