Onyx and Hexagonite Physical Properties

Onyx

Hexagonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.98-3.03

1 7.18

1.5 Fracture

Not Available

Uneven

1.6 Cleavage

Indiscernible

[110] perfect; [010] distinct

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

SiO₂

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Onyx and Hexagonite Chemical Formula

While comparing Onyx and Hexagonite 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 Hexagonite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Onyx and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.