Ajoite and Zoisite Physical Properties

Ajoite

Zoisite

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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

2.963.20-3.50

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

1.6 Cleavage

Perfect on {010}

Perfect {010} imperfect {100}

1.7 Mohs Hardness

56-7

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Ca₂Al₃(SiO₄)₃(OH)

Ajoite and Zoisite Chemical Formula

While comparing Ajoite and Zoisite 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 Zoisite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Ajoite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.