Aventurine and Andalusite Physical Properties

Aventurine

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

2.64-2.693.05-3.21

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

Indiscernible

Good on {110}, poor on {100}

1.7 Mohs Hardness

7-6.57.5

2 10

1.8 Chemical Composition

SiO₂

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

Aventurine and Andalusite Chemical Formula

While comparing Aventurine 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 Aventurine and Andalusite chemical formula.

Chemical formula of Aventurine- SiO₂
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Aventurine and Andalusite Specific Gravity

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