Hardystonite and Ajoite Physical Properties

Hardystonite

Ajoite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4432.96

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

[001] good, [100] and [110] fair

Perfect on {010}

1.7 Mohs Hardness

3-45

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Hardystonite and Ajoite Chemical Formula

While comparing Hardystonite 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 Hardystonite and Ajoite chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Hardystonite and Ajoite Specific Gravity

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