Amethyst and Diaspore Physical Properties

Amethyst

Diaspore

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1 Physical Properties

1.1 Tenacity

Not Available

Very brittle

1.2 Solubility

insoluble in common solvents

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.30-3.40

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

Indiscernible

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

76.5-7

2 10

1.8 Chemical Composition

SiO₂

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Amethyst and Diaspore Chemical Formula

While comparing Amethyst and Diaspore 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 Diaspore chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Amethyst and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.