Peridot and Cordierite Physical Properties

Peridot

Cordierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.54-1.552.57-2.66

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Poor

Fair on {100}, poor on {001} and {010}

1.7 Mohs Hardness

6.5-77-7.5

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

Mg2Al4Si5O18

Peridot and Cordierite Chemical Formula

While comparing Peridot and Cordierite 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 Cordierite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Semi Precious Gemstones

Peridot Vs Citrine

Peridot Vs Garnet

Peridot Vs Hackmanite

Peridot and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.