Morganite and Andalusite Physical Properties

Morganite

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

2.71-2.90

3.05-3.21

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1 basal

Good on {110}, poor on {100}

1.7 Mohs Hardness

7.5-8

7.5

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Morganite and Andalusite Chemical Formula

While comparing Morganite 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 Morganite and Andalusite chemical formula.

Chemical formula of Morganite- Be₃Al₂SiO₆
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Morganite and Andalusite Specific Gravity

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