Legrandite and Cordierite Physical Properties

Legrandite

Cordierite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.98-4.042.57-2.66

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

Imperfect, poor one {100}

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

1.7 Mohs Hardness

4.5-57-7.5

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Mg2Al4Si5O18

Legrandite and Cordierite Chemical Formula

While comparing Legrandite 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 Legrandite and Cordierite chemical formula.

Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Yellow Gemstones

Legrandite Vs Mimetite

Legrandite Vs Microlite

Legrandite Vs Microcline

Legrandite and Cordierite Specific Gravity

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