Barite and Willemite Physical Properties

Barite

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

4.483.89-4.18

1 7.18

1.5 Fracture

Uneven

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

3-3.55.5

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Willemite Chemical Formula

While comparing Barite 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 Barite and Willemite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Barite and Willemite Specific Gravity

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