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0 item @ $0.00  

Mixed Minerals

Sunday, 23 January 2022 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including caoxite, nyerereite, trolleite, and veenite and more from places like Cerchiara mine, Borghetto di Vara, La Spezia, Liguria, Italy, Mt. Oldoinyo Lengai volcano, Arusha, Tanzania, Hålsjöberg, Torsby, Värmland, Sweden, and Taylor Pit, Huntingdon Twp. Madoc area, Hastings County, Ontario, Canada.

Caoxite

#BW57472
Locality
Cerchiara mine, Borghetto di Vara, La Spezia, Liguria, Italy 
Formula
CaC2O4·3H2
Availability
Available
Price
$75.00
Size
4.5 x 3 x 1 cm - Miniature 
Special Info
Type & Only Locality 

Colorless to yellow tiny acicular crystals. Rare - this is the type and only locality.


Caoxite

Formula
CaC2O4·3H2
Crystal System
Triclinic 
Crystal Habit
Tabular, Spherical 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle - Uneven 
Hardness
2-2.5 
Special Info
Type & Only Locality
On Dakota Matrix
Previously Sold Caoxite
On Dakota Matrix
Other Available Caoxite
WebMineral
View Caoxite
Mindat
View Caoxite

Nyerereite

with Gregoryite - #BW57462
Locality
Mt. Oldoinyo Lengai volcano, Arusha, Tanzania 
Formula
Na2Ca(CO3)2 
Availability
Available
Price
$45.00
Size
4.5 x 2 x 2 cm - Miniature 
Tagged
carbonate  

White to colorless grains in larger mass in sealed tube.


Nyerereite

Formula
Na2Ca(CO3)2 
Crystal System
Orthorhombic 
Crystal Habit
Pseudo Hexagonal, Platy, Twinning Common 
Color
colorless 
Streak
white 
Class
Orthorhombic - Pyramidal 
Hardness
Collection
Bill Wilson Collection

Trolleite

with Rutile - #54756
Locality
Hålsjöberg, Torsby, Värmland, Sweden 
Formula
Al4(PO4)3(OH)3 
Availability
Available
Price
$75.00
Size
10 x 6 x 5 cm - Cabinet 
Tagged
phosphate  

Large specimen blue, granular Trolleite and Rutile.


Trolleite

Formula
Al4(PO4)3(OH)3 
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
light blue, light green 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
5.5-6 
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Trolleite
On Dakota Matrix
Previously Sold Trolleite
On Dakota Matrix
Other Available Trolleite
WebMineral
View Trolleite
Mindat
View Trolleite

Veenite

#BW57467
Locality
Taylor Pit, Huntingdon Twp. Madoc area, Hastings County, Ontario, Canada 
Formula
Pb2Sb2S5 
Availability
Available
Price
$95.00
Size
3 x 1.5 x 1.5 cm - Thumbnail 
Tagged
sulfide  
Special Info
Type Locality 

Excellent specimen of this rare lead-antimony sulfide showing as metallic, silvery, shiny streaks on marble matrix. There may also be some micro grains of Sterryite in the matrix.


Veenite

Formula
Pb2Sb2S5 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic 
Cleavage
None, None, None 
Luster
Metallic 
Color
steel gray 
Streak
black 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Bill Wilson Collection
Special Info
Type Locality
On Dakota Matrix
Previously Sold Veenite
On Dakota Matrix
Other Available Veenite
WebMineral
View Veenite
Mindat
View Veenite

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