Shigaite and Chrysocolla Physical Properties

Shigaite

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Moderately ﬂexible

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.322.00-2.45

1 7.18

1.5 Fracture

Flexible Flexible fragments.

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

1.6 Cleavage

Perfect on {0001}

none

1.7 Mohs Hardness

22-4

2 10

1.8 Chemical Composition

Not Available

Cu₂H₂Si₂O₅(OH)₄

Shigaite and Chrysocolla Chemical Formula

While comparing Shigaite and Chrysocolla 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 Shigaite and Chrysocolla chemical formula.

Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Shigaite and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Shigaite and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.