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Hessonite
Hessonite
☒

Fibrolite
Fibrolite
☒



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Hessonite
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Fibrolite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.55-3.73
Uneven
None
7-7.5
Ca3Al2(SiO4)3
 
-
-
-
3.14-3.25
-
Perfect
6-7
Al 2SiO 5Arthur Thomas , Gemstones (2009)