Onyx and Paraiba Physical Properties

Onyx

Paraiba

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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

2.55-2.703.04-3.13

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

SiO₂

Not Available

Onyx and Paraiba Chemical Formula

While comparing Onyx and Paraiba 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 Paraiba chemical formula.

Chemical formula of Onyx- SiO₂

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Onyx and Paraiba Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Paraiba Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Paraiba Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.04-3.13 whereas that of Paraiba is 3.04-3.13.