Andesine and Ajoite Physical Properties

Andesine

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

2.65-2.692.96

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

Perfect on {001}, good on {010}

Perfect on {010}

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Andesine and Ajoite Chemical Formula

While comparing Andesine 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 Andesine and Ajoite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Andesine and Ajoite Specific Gravity

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