Hemimorphite and Datolite Physical Properties

Hemimorphite

Datolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.502.90-3.00

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {110}, poor on {101}, {001} rare

None

1.7 Mohs Hardness

55-5.5

2 10

1.8 Chemical Composition

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hemimorphite and Datolite Chemical Formula

While comparing Hemimorphite and Datolite 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 Hemimorphite and Datolite chemical formula.

Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Hemimorphite Vs Kyanite Cyprine

Hemimorphite Vs Lazurite

Hemimorphite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.