Onyx and Hauyne Physical Properties

Onyx

Hauyne

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.4-2.5

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Brittle

1.6 Cleavage

Indiscernible

Distinct on {110}

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO₂

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Onyx and Hauyne Chemical Formula

While comparing Onyx and Hauyne 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 Hauyne chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Onyx and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.