Andalusite and Jadeite Physical Properties

Andalusite

Jadeite

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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

3.05-3.213.28-3.38

1 7.18

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

Good on {110}, poor on {100}

Good on [110]

1.7 Mohs Hardness

7.56.5-7

2 10

1.8 Chemical Composition

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

NaAlSi 2O 6Ulrich Henn and Claudio C.

Andalusite and Jadeite Chemical Formula

While comparing Andalusite and Jadeite 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 Jadeite chemical formula.

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

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Andalusite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.