Cordierite Iolite and Datolite Physical Properties

Cordierite Iolite

Datolite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.662.90-3.00

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cordierite Iolite and Datolite Chemical Formula

While comparing Cordierite Iolite and Datolite 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 Iolite and Datolite chemical formula.

Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Cordierite Iolite Vs Elbaite

Cordierite Iolite Vs Falcons Eye

Cordierite Iolite Vs Dumortierite

Cordierite Iolite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.