Hodgkinsonite and Coral Physical Properties

Hodgkinsonite

Coral

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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

4.06-4.08

2.60-2.70

1.5 Fracture

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

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

{???} Perfect

Not Available

1.7 Mohs Hardness

4.5-5

3-4

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Hodgkinsonite and Coral Chemical Formula

While comparing Hodgkinsonite and Coral 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 Coral chemical formula.

Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Hodgkinsonite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hodgkinsonite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hodgkinsonite and Coral Optical Properties during the identification of gemstone. Specific gravity of Hodgkinsonite is 2.60-2.70 whereas that of Coral is 2.60-2.70.