Ametrine and Andalusite Physical Properties

Ametrine

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

2.653.05-3.21

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Indiscernible

Good on {110}, poor on {100}

1.7 Mohs Hardness

77.5

2 10

1.8 Chemical Composition

SiO₂

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

Ametrine and Andalusite Chemical Formula

While comparing Ametrine 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 Ametrine and Andalusite chemical formula.

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

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Ametrine and Andalusite Specific Gravity

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