Druzy and Andalusite Physical Properties

Druzy

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

Not Available3.05-3.21

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

Good on {110}, poor on {100}

1.7 Mohs Hardness

2.5-37.5

2 10

1.8 Chemical Composition

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

Druzy and Andalusite Chemical Formula

While comparing Druzy 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 Druzy and Andalusite chemical formula.

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

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Druzy Vs Eilat stone

Druzy and Andalusite Specific Gravity

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