Cat s Eye and Andalusite Physical Properties

Cat s Eye

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

3.5-3.83.05-3.21

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

1,1 ; 3,2

Good on {110}, poor on {100}

1.7 Mohs Hardness

8.57.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Cat s Eye and Andalusite Chemical Formula

While comparing Cat s Eye 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 Cat s Eye and Andalusite chemical formula.

Chemical formula of Cat s Eye- BeAl ₂ O ₄
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Cat s Eye and Andalusite Specific Gravity

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