Andalusite and Yttrium Aluminium Garnet Physical Properties

Andalusite

Yttrium Aluminium Garnet

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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

3.05-3.214.55

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Good on {110}, poor on {100}

Not Available

1.7 Mohs Hardness

7.58-8.5

2 10

1.8 Chemical Composition

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

Y 3Al 5O 12Ulrich Henn and Claudio C.

Andalusite and Yttrium Aluminium Garnet Chemical Formula

While comparing Andalusite and Yttrium Aluminium Garnet 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 Andalusite and Yttrium Aluminium Garnet chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Yttrium Aluminium Garnet- Y 3Al 5O 12Ulrich Henn and Claudio C.

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Andalusite and Yttrium Aluminium Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andalusite and Yttrium Aluminium Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Yttrium Aluminium Garnet Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 4.55 whereas that of Yttrium Aluminium Garnet is 4.55.