Amethyst and Jet lignite Physical Properties

Amethyst

Jet lignite

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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

2.651.30-1.34

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

72.5

2 10

1.8 Chemical Composition

SiO₂

Not Available

Amethyst and Jet lignite Chemical Formula

While comparing Amethyst and Jet lignite 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 Jet lignite chemical formula.

Chemical formula of Amethyst- SiO₂

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Amethyst and Jet lignite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Jet lignite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Jet lignite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 1.30-1.34 whereas that of Jet lignite is 1.30-1.34.