Onyx and Hiddenite Physical Properties

Onyx

Hiddenite

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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

2.55-2.703.15-3.21

1 7.18

1.5 Fracture

Not Available

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Indiscernible

1,2 prismatic

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

SiO₂

LiAlSi₂O₆

Onyx and Hiddenite Chemical Formula

While comparing Onyx and Hiddenite 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 Hiddenite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Hiddenite- LiAlSi₂O₆

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Onyx and Hiddenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Hiddenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Hiddenite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.15-3.21 whereas that of Hiddenite is 3.15-3.21.