Wardite and Amethyst Physical Properties

Wardite

Amethyst

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

2.812.65

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

{001} Perfect

Indiscernible

1.7 Mohs Hardness

4.5-57

2 10

1.8 Chemical Composition

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

SiO₂

Wardite and Amethyst Chemical Formula

While comparing Wardite 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 Wardite and Amethyst chemical formula.

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

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Wardite and Amethyst Specific Gravity

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