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Andalusite
Andalusite

Garnet
Garnet



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Garnet
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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.05-3.213.55-4.33
1 7.18
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Fracture

Uneven, Subconchoidal, Splintery
Conchoidal, Uneven

Cleavage

Good on {110}, poor on {100}
Indistinct

Mohs Hardness

7.56.5-7.5
2 10
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Chemical Composition

Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
Garnet is a series of several different minerals with unique chemical formulas.