Cordierite and Seraphinite Physical Properties

Cordierite

Seraphinite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.60-3.02

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Cordierite and Seraphinite Chemical Formula

While comparing Cordierite and Seraphinite 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 Cordierite and Seraphinite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Seraphinite- (Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Cordierite Vs Plumbogummite

Cordierite Vs Rosasite

Cordierite Vs Riebeckite

Cordierite and Seraphinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Seraphinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Seraphinite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.60-3.02 whereas that of Seraphinite is 2.60-3.02.