Datolite and Zinnwaldite Physical Properties

Datolite

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.002.9-3.1

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

Uneven

1.6 Cleavage

None

Perfect basal {001}

1.7 Mohs Hardness

5-5.53.5-4.0

2 10

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Datolite and Zinnwaldite Chemical Formula

While comparing Datolite and Zinnwaldite 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 Datolite and Zinnwaldite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Datolite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.