Tortoiseshell and Willemite Physical Properties

Tortoiseshell

Willemite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.25-1.353.89-4.18

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Not Available

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

Not Available5.5

2 10

1.8 Chemical Composition

Not Available

Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tortoiseshell and Willemite Chemical Formula

While comparing Tortoiseshell and Willemite 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 Tortoiseshell and Willemite chemical formula.

Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Tortoiseshell and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tortoiseshell and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tortoiseshell and Willemite Optical Properties during the identification of gemstone. Specific gravity of Tortoiseshell is 3.89-4.18 whereas that of Willemite is 3.89-4.18.