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Tucson Show specimens

Sunday, 25 February 2024 06:00 PM

Introducing the "Tucson Show specimens" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including descloizite, and pezzottaite and more from places like San Carlos dist., Chihuahua, Mexico, and Sakavalana mine, Ambatovita, Fianarantsoa Province, Madagascar.

Descloizite

#63384
Locality
San Carlos dist., Chihuahua, Mexico 
Formula
PbZnVO4(OH) 
Availability
Available
Price
$40.00
Size
5 x 4 x 3 cm - Miniature 
Tagged
vanadium  

Burnt orange, glassy, rosette-like crystals to 1.5mm.


Descloizite

Formula
PbZnVO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Plumose, Tabular, Encrustations 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
dark brownish black, dark reddish brown, orange red, reddish brown, black 
Streak
light brownish green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 

Pezzottaite

#63422
Locality
Sakavalana mine, Ambatovita, Fianarantsoa Province, Madagascar 
Formula
CsLiBe2Al2Si6O18 
Availability
Available
Price
$750.00
Size
2 x 1.3 x 0.7 cm - Thumbnail 
Tagged
beryllium , pegmatite mineral  
Special Info
Type Locality 

Excellent crystal of rare Pezzottaite with faces on nearly all sides. This is one of the better specimens I was able to obtain. Only two dealers had a handfull of specimens. Pezzottaite is one of only two minerals with this combination of elements (Cs,Li,Be). The other is Mccrillisite.


Pezzottaite

Formula
CsLiBe2Al2Si6O18 
Crystal System
Trigonal 
Crystal Habit
Tabular, Hexagonal 
Cleavage
Imperfect, None, None 
Luster
Vitreous (Glassy) 
Color
raspberry red, pink 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Special Info
Type Locality

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