Amethyst and Sussexite Physical Properties

Amethyst

Sussexite

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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

2.653.30

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Indiscernible

Not Available

1.7 Mohs Hardness

73-3.5

2 10

1.8 Chemical Composition

SiO₂

Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

Amethyst and Sussexite Chemical Formula

While comparing Amethyst and Sussexite 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 Sussexite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Sussexite- Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)

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Amethyst and Sussexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Sussexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Sussexite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.30 whereas that of Sussexite is 3.30.