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Almandine
Almandine
☒

Hackmanite
Hackmanite
☒



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Almandine
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.95-4.30
Conchoidal
none
7-7.5
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
-
-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Compare Red Gemstones

Red Gemstones

Apophyllite
Apophyllite
Aragonite
Aragonite
Astrophyllite
Astrophyllite
Hackmanite
Andalusite
Hackmanite Vs Andalusite
Hackmanite
Andesine
Hackmanite Vs Andesine
Hackmanite
Andradite
Hackmanite Vs Andradite

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