Garnet and Andalusite Physical Properties

Garnet

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

3.55-4.333.05-3.21

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct

Good on {110}, poor on {100}

1.7 Mohs Hardness

6.5-7.57.5

2 10

1.8 Chemical Composition

Garnet is a series of several different minerals with unique chemical formulas.

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

Garnet and Andalusite Chemical Formula

While comparing Garnet 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 Garnet and Andalusite chemical formula.

Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Garnet and Andalusite Specific Gravity

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