Peridot and Ajoite Physical Properties

Peridot

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.55

2.96

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Poor

Perfect on {010}

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Peridot and Ajoite Chemical Formula

While comparing Peridot 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 Peridot and Ajoite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Peridot and Ajoite Specific Gravity

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