Peridot and Agrellite Physical Properties

Peridot

Agrellite

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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

1.54-1.552.88

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Poor

perfect [110]

1.7 Mohs Hardness

6.5-75.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

NaCa2Si4O10F

Peridot and Agrellite Chemical Formula

While comparing Peridot and Agrellite 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 Agrellite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Agrellite- NaCa2Si4O10F

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Peridot and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.88 whereas that of Agrellite is 2.88.