Diaspore and Amethyst Physical Properties

Diaspore

Amethyst

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.65

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

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

Indiscernible

1.7 Mohs Hardness

6.5-77

2 10

1.8 Chemical Composition

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

SiO₂

Diaspore and Amethyst Chemical Formula

While comparing Diaspore and Amethyst 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 Diaspore and Amethyst chemical formula.

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

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Diaspore and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 2.65 whereas that of Amethyst is 2.65.