Hemimorphite and Grandidierite Physical Properties

Hemimorphite

Grandidierite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.502.85-3.00

1 7.18

1.5 Fracture

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

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

57.5

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Hemimorphite and Grandidierite Chemical Formula

While comparing Hemimorphite and Grandidierite 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 Grandidierite 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 Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Compare Green Gemstones

Hemimorphite Vs Kornerupine

Hemimorphite Vs Kyanite Cyprine

Hemimorphite Vs Lazurite

Hemimorphite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hemimorphite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.