Marialite and Willemite Physical Properties

Marialite

Willemite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.503.89-4.18

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Distinct on {100} and {110}

{0001}, {11 2 0} imperfect

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

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

Marialite and Willemite Chemical Formula

While comparing Marialite 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 Marialite and Willemite chemical formula.

Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Marialite and Willemite Specific Gravity

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