Foitite and Hemimorphite Physical Properties

Foitite

Hemimorphite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.173.30-3.50

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Foitite and Hemimorphite Chemical Formula

While comparing Foitite and Hemimorphite 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 Foitite and Hemimorphite chemical formula.

Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Violet Gemstones

Foitite Vs Hydrogrossular

Foitite Vs Hureaulite

Foitite Vs Labradorite

Foitite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Foitite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Foitite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Foitite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.