Ajoite and Sard Physical Properties

Ajoite

Sard

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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

2.962.58-2.63

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

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

SiO 2Ulrich Henn and Claudio C.

Ajoite and Sard Chemical Formula

While comparing Ajoite and Sard 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 Sard chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Ajoite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ajoite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ajoite and Sard Optical Properties during the identification of gemstone. Specific gravity of Ajoite is 2.58-2.63 whereas that of Sard is 2.58-2.63.