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Tucson Mineral Specials

Friday, 08 March 2024 05:00 PM

Introducing the "Tucson Mineral Specials" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including agardite-(y), dussertite, mottramite, pezzottaite, quartz, and rouxelite and more from places like Bou Skour mine, Ourzazate prov., Morocco, Schneeberg dist., Erzgebirge, Saxony, Germany, Tsumeb mine, Tsumeb, Namibia, Sakavalana mine, Ambatovita, Fianarantsoa Province, Madagascar, Piedras Parado, Tatatlia, Veracruz, Mexico, and Monte Arsiccio mine, Apuan Alps, Tuscany, Italy.

Agardite-(Y)

with Malachite - #63360
Locality
Bou Skour mine, Ourzazate prov., Morocco 
Formula
Cu2+6Y(AsO4)3(OH)6·3H2
Availability
Sold
Size
2 x 1.7 x 1.1 cm - Thumbnail 
Tagged
arsenate , copper , REE mineral  

Faint greenish blue fibrous crystal aggregates of Agardite with dark green Malachite.


Agardite-(Y)

Formula
Cu2+6Y(AsO4)3(OH)6·3H2
Crystal System
Hexagonal 
Crystal Habit
Acicular, Rosette, Spherical 
Luster
Vitreous (Glassy) 
Color
blue green, blue 
Streak
greenish white 
Class
Hexagonal - Dipyramidal 
Hardness
3-4 

Dussertite

#BAC63725
Locality
Schneeberg dist., Erzgebirge, Saxony, Germany 
Formula
BaFe3+3(AsO4)(AsO3OH)(OH)6 
Availability
Sold
Size
2 x 1.3 x 1.2 cm - Thumbnail 
Tagged
arsenate  

Olive green micro crystals.


Dussertite

Formula
BaFe3+3(AsO4)(AsO3OH)(OH)6 
Crystal System
Trigonal 
Luster
Vitreous - Resinous 
Color
green, yellow green 
Class
Trigonal - Ditrigonal Pyramidal 
Hardness
3.5 
Collection
William & Anne Cook Collection

Mottramite

with Descloizite - #63440
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
PbCuVO4(OH) 
Availability
Available
Price
$2,500.00
Size
8 x 6.5 x 4 cm - Sm Cabinet 
Tagged
copper , vanadium  

A fabulous cabinet specimen with arborescent or plumose Descloizite coated with green Mottramite. Everywhere you look on this specimen is a treat to your eyes. All the crystals are excellent and unique.


Mottramite

Formula
PbCuVO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Plumose, Radial, Encrustations 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
brown, brown red, brownish black, green, dark green 
Streak
light brownish green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 

Pezzottaite

#63423
Locality
Sakavalana mine, Ambatovita, Fianarantsoa Province, Madagascar 
Formula
CsLiBe2Al2Si6O18 
Availability
Available
Price
$395.00
Size
1.7 x 1.4 x 0.4 cm - Thumbnail 
Tagged
beryllium , pegmatite mineral , lithium  
Special Info
Type Locality 

Red tabular partial hexagonal crystal. Pezzottaite is a rare member of the Beryl group and is found in pegmatites. It is a cesium-lithium-beryllium silicate published in 2003 and is found in anly nine deposits worldwide.


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

Quartz

var. amethyst - #63372
Locality
Piedras Parado, Tatatlia, Veracruz, Mexico 
Formula
SiO2 
Availability
Available
Price
$195.00
Size
5 x 3.5 x 3.5 cm - Miniature 

Beautiful amethyst group with great luster and color. The pyramid faces show neat hoppered growth patters. 


Quartz

Formula
SiO2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Druse, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, violet, gray, yellow 
Streak
white 
Class
Trigonal - Trapezohedral 
Fracture
Conchoidal 
Hardness
Mineralpedia
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Rouxelite

#63457
Locality
Monte Arsiccio mine, Apuan Alps, Tuscany, Italy 
Formula
Cu2HgPb22Sb28S64(O,S)2 
Availability
Sold
Size
1.8 x 0.4 x 0.6 cm - Thumbnail 
Tagged
sulfide , copper , antimony  

A bundle of acicular crystals.


Rouxelite

Formula
Cu2HgPb22Sb28S64(O,S)2 
Crystal System
Monoclinic 
Crystal Habit
Acicular 
Cleavage
None, None, None 
Luster
Metallic 
Color
black 
Class
Monoclinic - Prismatic 
Hardness
Mineralpedia
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