Onyx and Chrysocolla Physical Properties

Onyx

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.00-2.45

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Indiscernible

none

1.7 Mohs Hardness

6.5-72-4

2 10

1.8 Chemical Composition

SiO₂

Cu₂H₂Si₂O₅(OH)₄

Onyx and Chrysocolla Chemical Formula

While comparing Onyx 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 Onyx and Chrysocolla chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Onyx and Chrysocolla Specific Gravity

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