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Recently Released New Additions

Rare and Antique

Friday, 27 September 2024 06:00 PM

Introducing the "Rare and Antique" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including tritomite-(y), wulfenite, and wulffite and more from places like Madawaska Mine, Bancroft, Ontario, Canada, Shinkolobwe, Katanga, Democratic Republic of Congo, and Tolbachik Volcano, Kamchatka, Russia.

SOLD
Tritomite-(Y) - 64705
Tritomite-(Y) - 64705

Tritomite-(Y)

in feldspar - #64705
Locality
Madawaska Mine, Bancroft, Ontario, Canada 
Formula
Y5(SiO4,BO4)3(O,OH,F) 
Availability
Sold
Size
19 x 10 x 5 cm - Cabinet 
Tagged
REE mineral  

Incredibly large reddish brown lath-like crystals of Tritomite-(Y) 6cm in white to pink feldspar matrix. 


Tritomite-(Y)

Formula
Y5(SiO4,BO4)3(O,OH,F) 
Crystal System
Hexagonal 
Crystal Habit
Pyramidal, Metamict 
Cleavage
None, None, None 
Luster
Vitreous - Resinous 
Color
greenish black, dark green black, reddish brown 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5-6.5 
On Dakota Matrix
Previously Sold Tritomite-(Y)
On Dakota Matrix
Other Available Tritomite-(Y)
WebMineral
View Tritomite-(Y)
Mindat
View Tritomite-(Y)
SOLD
Wulfenite - DC64716
Wulfenite - DC64716

Wulfenite

with Uranophane - #DC64716
Locality
Shinkolobwe, Katanga, Democratic Republic of Congo 
Formula
PbMoO4 
Availability
Sold
Size
3 x 2.3 x 1.5 cm - Thumbnail 
Special Info
Radioactive!! 

Unique and rare habit for Wulfenite with radial groups of elongated crystals with very steep pyramidal terminations to 1mm in 2mm groups. It is associated with dark yellowish green Uranophane and stout yellow Kasolite crystals, Masuyite(?) orange, and Uraninite.


Wulfenite

Formula
PbMoO4 
Crystal System
Tetragonal 
Crystal Habit
Tabular, Pyramidal 
Cleavage
Imperfect, None, None 
Luster
Resinous - Greasy 
Color
orange yellow, waxy yellow, yellowish gray, olive green, brown 
Streak
yellowish white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3 
Collection
Don Cooke Collection
Special Info
Radioactive!!
Mineralpedia
View Wulfenite
On Dakota Matrix
Previously Sold Wulfenite
On Dakota Matrix
Other Available Wulfenite
WebMineral
View Wulfenite
Mindat
View Wulfenite
SOLD
Wulffite - 63716
Wulffite - 63716

Wulffite

#63716
Locality
Tolbachik Volcano, Kamchatka, Russia 
Formula
K3NaCu4O2(SO4)4 
Availability
Sold
Size
2.8 x 2 x 1.5 cm - Thumbnail 
Tagged
copper  
Special Info
Type Locality 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

All of the bright emerald green coating and crystalline crusts throughout this matrix is Wulffite. rich specimen. The exact locality is: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka Peninsula, Far-Eastern Region, Russia.

Identified by Dr. Igor Pekov.  Described in 2013 (IMA2013-035). This specimen is one of the few Pekov used to describe the mineral.


Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed
On Dakota Matrix
Previously Sold Wulffite
On Dakota Matrix
Other Available Wulffite
WebMineral
View Wulffite
Mindat
View Wulffite

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