Ajoite and Smithsonite Physical Properties

Ajoite

Smithsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.964.00-4.65

1 7.18

1.5 Fracture

Not Available

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Perfect on {010}

Perfect on [1011]

1.7 Mohs Hardness

55-5.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ajoite and Smithsonite Chemical Formula

While comparing Ajoite and Smithsonite 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 Ajoite and Smithsonite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Ajoite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.