Ajoite and Starlite Physical Properties

Ajoite

Starlite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.963.91-4.73

1 7.18

1.5 Fracture

Not Available

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {010}

Not Available

1.7 Mohs Hardness

56.5-7.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Ajoite and Starlite Chemical Formula

While comparing Ajoite and Starlite 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 Starlite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Ajoite and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Starlite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 3.91-4.73 whereas that of Starlite is 3.91-4.73.