Cordierite and Scapolite Physical Properties

Cordierite

Scapolite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.58-2.74

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery

1.6 Cleavage

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

{100} Distinct, {110} Distinct

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

Cordierite and Scapolite Chemical Formula

While comparing Cordierite and Scapolite 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 Scapolite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Blue Gemstones

Cordierite Vs Plumbogummite

Cordierite Vs Riebeckite

Cordierite Vs Rosasite

Cordierite and Scapolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Scapolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Scapolite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.58-2.74 whereas that of Scapolite is 2.58-2.74.