Scapolite and Cordierite Physical Properties

Scapolite

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

2.58-2.742.57-2.66

1 7.18

1.5 Fracture

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

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{100} Distinct, {110} Distinct

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

1.7 Mohs Hardness

5.5-67-7.5

2 10

1.8 Chemical Composition

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

Mg2Al4Si5O18

Scapolite and Cordierite Chemical Formula

While comparing Scapolite 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 Scapolite and Cordierite chemical formula.

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
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Violet Gemstones

Scapolite Vs Sugilite

Scapolite Vs Violane

Scapolite Vs Tortoiseshell

Scapolite and Cordierite Specific Gravity

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