Allanite and Hodgkinsonite Physical Properties

Allanite

Hodgkinsonite

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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

3.40-4.204.06-4.08

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{???} Perfect

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

Not Available

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

Allanite and Hodgkinsonite Chemical Formula

While comparing Allanite and Hodgkinsonite 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 Allanite and Hodgkinsonite chemical formula.

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

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Allanite and Hodgkinsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Hodgkinsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Hodgkinsonite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 4.06-4.08 whereas that of Hodgkinsonite is 4.06-4.08.