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Boleite
Boleite
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Povondraite
Povondraite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
5.05
Uneven
[001] perfect
3-3.5
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

Blue Gemstones

Common Opal
Common Opal
Cordierite Iolite
Cordierite Iolite
Covellite
Covellite
Povondraite
Brucite
Povondraite Vs Brucite
Povondraite
Caledonite
Povondraite Vs Caledonite
Povondraite
Ceylonite
Povondraite Vs Ceylonite

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