Onyx and Linarite Physical Properties

Onyx

Linarite

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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

2.55-2.705.35

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Indiscernible

Perfect on {100}, imperfect on {001}

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

SiO₂

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Onyx and Linarite Chemical Formula

While comparing Onyx and Linarite 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 Linarite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Onyx and Linarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Linarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Linarite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 5.35 whereas that of Linarite is 5.35.