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Fibrolite
Fibrolite
☒

Povondraite
Povondraite
☒



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Fibrolite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.14-3.25
-
Perfect
6-7
Al 2SiO 5Arthur Thomas , Gemstones (2009)
 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Compare Green Gemstones

Green Gemstones

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Hemimorphite
Hemimorphite
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Povondraite
Gaspite
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Povondraite
Glass
Povondraite Vs Glass

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