Allanite and Peridot Physical Properties

Allanite

Peridot

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-4.201.54-1.55

1 7.18

1.5 Fracture

Not Available

Conchoidal

1.6 Cleavage

Not Available

Poor

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe)₂SiO₄

Allanite and Peridot Chemical Formula

While comparing Allanite and Peridot 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 Allanite and Peridot chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄

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Allanite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Allanite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.