Serandite and Cordierite Physical Properties

Serandite

Cordierite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.522.57-2.66

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001)

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{100} Perfect, {001} Perfect

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

1.7 Mohs Hardness

5-5.57-7.5

2 10

1.8 Chemical Composition

Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Mg2Al4Si5O18

Serandite and Cordierite Chemical Formula

While comparing Serandite 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 Serandite and Cordierite chemical formula.

Chemical formula of Serandite- Na(Mn2+ ,Ca) 2Si 3O 8(OH)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cordierite- Mg2Al4Si5O18

Compare Gems Found in America

Serandite Vs Smithsonite

Serandite Vs Spessartine

Serandite Vs Sodalite

Serandite and Cordierite Specific Gravity

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