Andalusite and Chondrodite Physical Properties

Andalusite

Chondrodite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.21

3.10-3.20

1.5 Fracture

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Good on {110}, poor on {100}

Poor to good on (001)

1.7 Mohs Hardness

7.5

6-6.5

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Andalusite and Chondrodite Chemical Formula

While comparing Andalusite and Chondrodite 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 Andalusite and Chondrodite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Compare Brown Gemstones

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Andalusite and Chondrodite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Chondrodite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Chondrodite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.10-3.20 whereas that of Chondrodite is 3.10-3.20.