Hodgkinsonite and Ajoite Physical Properties

Hodgkinsonite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

4.06-4.082.96

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{???} Perfect

Perfect on {010}

1.7 Mohs Hardness

4.5-55

2 10

1.8 Chemical Composition

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

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Hodgkinsonite and Ajoite Chemical Formula

While comparing Hodgkinsonite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Hodgkinsonite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hodgkinsonite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hodgkinsonite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Hodgkinsonite is 2.96 whereas that of Ajoite is 2.96.