Morganite and Onyx Physical Properties

Morganite

Onyx

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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

2.71-2.902.55-2.70

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

3,1 basal

Indiscernible

1.7 Mohs Hardness

7.5-86.5-7

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

SiO₂

Morganite and Onyx Chemical Formula

While comparing Morganite and Onyx 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 Morganite and Onyx chemical formula.

Chemical formula of Morganite- Be₃Al₂SiO₆
Chemical formula of Onyx- SiO₂

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Morganite and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Morganite and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Morganite and Onyx Optical Properties during the identification of gemstone. Specific gravity of Morganite is 2.55-2.70 whereas that of Onyx is 2.55-2.70.