Onyx and Scorzalite Physical Properties

Onyx

Scorzalite

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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

2.55-2.70

3.31

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Indiscernible

{110} Good

1.7 Mohs Hardness

6.5-7

5.5-6

1.8 Chemical Composition

SiO₂

(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Onyx and Scorzalite Chemical Formula

While comparing Onyx and Scorzalite 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 Scorzalite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Scorzalite- (Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Onyx and Scorzalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Scorzalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Scorzalite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.31 whereas that of Scorzalite is 3.31.