Peridot and Pyrope Almandine Physical Properties

Peridot

Pyrope Almandine

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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

1.54-1.553.62-4.20

1 7.18

1.5 Fracture

Conchoidal

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Peridot and Pyrope Almandine Chemical Formula

While comparing Peridot and Pyrope Almandine 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 Pyrope Almandine chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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Peridot and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Peridot is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.