Cordierite and Nifontovite Physical Properties

Cordierite

Nifontovite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.57-2.662.35-2.36

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle

Not Available

1.6 Cleavage

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

{???} Indistinct

1.7 Mohs Hardness

7-7.53.5-5

2 10

1.8 Chemical Composition

Mg2Al4Si5O18

Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Cordierite and Nifontovite Chemical Formula

While comparing Cordierite and Nifontovite 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 Nifontovite chemical formula.

Chemical formula of Cordierite- Mg2Al4Si5O18
Chemical formula of Nifontovite- Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

Cordierite Vs Plumbogummite

Cordierite Vs Riebeckite

Cordierite Vs Rosasite

Cordierite and Nifontovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Nifontovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Nifontovite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 2.35-2.36 whereas that of Nifontovite is 2.35-2.36.