Amethyst and Morganite Physical Properties

Amethyst

Morganite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in common solvents

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.71-2.90

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Not Available

1.6 Cleavage

Indiscernible

3,1 basal

1.7 Mohs Hardness

77.5-8

2 10

1.8 Chemical Composition

SiO₂

Be₃Al₂SiO₆

Amethyst and Morganite Chemical Formula

While comparing Amethyst and Morganite 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 Amethyst and Morganite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Morganite- Be₃Al₂SiO₆

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Amethyst and Morganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Morganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Morganite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.71-2.90 whereas that of Morganite is 2.71-2.90.