Jadeite and Andalusite Physical Properties

Jadeite

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

3.28-3.383.05-3.21

1 7.18

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

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

1.6 Cleavage

Good on [110]

Good on {110}, poor on {100}

1.7 Mohs Hardness

6.5-77.5

2 10

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Andalusite Chemical Formula

While comparing Jadeite 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 Jadeite and Andalusite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Jadeite and Andalusite Specific Gravity

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