Amethyst and Wavellite Physical Properties

Amethyst

Wavellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in common solvents

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.652.36

1 7.18

1.5 Fracture

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

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

Indiscernible

[110] perfect, [101] good, [010] distinct

1.7 Mohs Hardness

73.5-4

2 10

1.8 Chemical Composition

SiO₂

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Amethyst and Wavellite Chemical Formula

While comparing Amethyst and Wavellite 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 Wavellite chemical formula.

Chemical formula of Amethyst- SiO₂
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Amethyst and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.36 whereas that of Wavellite is 2.36.