Peridot and Andesine Physical Properties

Peridot

Andesine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.552.65-2.69

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Poor

Perfect on {001}, good on {010}

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(Na,Ca)Al_1-2Si_3-2O₈

Peridot and Andesine Chemical Formula

While comparing Peridot and Andesine 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 Andesine chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Peridot and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Andesine Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.65-2.69 whereas that of Andesine is 2.65-2.69.