Uvite and Cordierite Physical Properties

Uvite

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

2.97-3.142.57-2.66

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Subconchoidal, Conchoidal, Brittle

1.6 Cleavage

{1011} Indistinct

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

1.7 Mohs Hardness

Not Available7-7.5

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Mg2Al4Si5O18

Uvite and Cordierite Chemical Formula

While comparing Uvite 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 Uvite and Cordierite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Cordierite- Mg2Al4Si5O18

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Uvite and Cordierite Specific Gravity

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