Baddeleyite and Andalusite Physical Properties

Baddeleyite

Andalusite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.5-6.03.05-3.21

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{001} Distinct

Good on {110}, poor on {100}

1.7 Mohs Hardness

6.57.5

2 10

1.8 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

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

Baddeleyite and Andalusite Chemical Formula

While comparing Baddeleyite and Andalusite 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 Baddeleyite and Andalusite chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Baddeleyite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Baddeleyite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baddeleyite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Baddeleyite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.