Hodgkinsonite and Grandidierite Physical Properties

Hodgkinsonite

Grandidierite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.06-4.082.85-3.00

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{???} Perfect

Perfect

1.7 Mohs Hardness

4.5-57.5

2 10

1.8 Chemical Composition

Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Hodgkinsonite and Grandidierite Chemical Formula

While comparing Hodgkinsonite 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 Hodgkinsonite and Grandidierite chemical formula.

Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael 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.

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Hodgkinsonite and Grandidierite Specific Gravity

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