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Recently Released New Additions

Mixed Minerals

Friday, 12 May 2023 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including metaswitzerite, meurigite-k, rontgenite-(ce), sedovite, smolyaninovite, and sphalerite and more from places like Iron Knob, Eyre Peninsula, South Australia, Australia, Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil, Bluestone claim, Granite Gap, Hidalgo, New Mexico, United States, Picacho, Bacoachi, Sonora, Mexico, Dome Rock mine, Olary, South Australia, Australia, and Animon mine, Huaron dist., Pasco, Pasco dept., Peru.

Metaswitzerite - BAC61676
Metaswitzerite - BAC61676

Metaswitzerite

#BAC61676
Locality
Iron Knob, Eyre Peninsula, South Australia, Australia 
Formula
Mn2+3(PO4)2·4H2O 
Availability
Available
Price
$55.00
Size
3 x 2 x 1.5 cm - Thumbnail 
Tagged
phosphate  

White to pink platy crystals of Metaswitzerite to 3mm.


Metaswitzerite

Formula
Mn2+3(PO4)2·4H2O 
Crystal System
Monoclinic 
Cleavage
Perfect, Distinct, None 
Luster
Pearly 
Color
brown, golden brown, light yellow brown, light pink 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Micaceous 
Hardness
2.5 
Collection
William & Anne Cook Collection
On Dakota Matrix
Previously Sold Metaswitzerite
On Dakota Matrix
Other Available Metaswitzerite
WebMineral
View Metaswitzerite
Mindat
View Metaswitzerite
Meurigite-K - BAC61666
Meurigite-K - BAC61666

Meurigite-K

on Cryptomelane - #BAC61666
Locality
Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil 
Formula
[K(H2O)2.5][Fe3+8(PO4)6(OH)7]·4H2O 
Availability
Available
Price
$45.00
Size
2 x 1 x 0.5 cm - Thumbnail 
Tagged
phosphate  

Fuzzy-looking spheroidal crystal groups to 0.25mm. Very rich coverage front and backside.


Meurigite-K

Formula
[K(H2O)2.5][Fe3+8(PO4)6(OH)7]·4H2O 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Spherical 
Cleavage
Good, None, None 
Luster
Silky 
Color
white, cream, yellowish brown, pale yellow, canary yellow 
Streak
pale yellowish white 
Class
Monoclinic - Prismatic 
Hardness
3 
Collection
William & Anne Cook Collection
Mineralpedia
View Meurigite-K
On Dakota Matrix
Previously Sold Meurigite-K
On Dakota Matrix
Other Available Meurigite-K
WebMineral
View Meurigite-K
Mindat
View Meurigite-K
SOLD
Rontgenite-(Ce) - BAC61671
Rontgenite-(Ce) - BAC61671

Rontgenite-(Ce)

#BAC61671
Locality
Bluestone claim, Granite Gap, Hidalgo, New Mexico, United States 
Formula
Ca2Ce3(CO3)5F3 
Availability
Sold
Size
3 x 2 x 2 cm - Thumbnail 
Tagged
carbonate , REE mineral  

Yellow granular crystals to 2mm. Rontgenite-(Ce) is an unreported occurence at this locality. The specimen originally came from Cureton Minerals.


Rontgenite-(Ce)

Formula
Ca2Ce3(CO3)5F3 
Crystal System
Trigonal 
Color
yellow, brown 
Class
Trigonal - Pyramidal 
Hardness
4.5 
Collection
William & Anne Cook Collection
On Dakota Matrix
Previously Sold Rontgenite-(Ce)
On Dakota Matrix
Other Available Rontgenite-(Ce)
WebMineral
View Rontgenite-(Ce)
Mindat
View Rontgenite-(Ce)
SOLD
Sedovite - BAC61663
Sedovite - BAC61663

Sedovite

#BAC61663
Locality
Picacho, Bacoachi, Sonora, Mexico 
Formula
U4+(MoO4)2 
Availability
Sold
Size
2.2 x 2 x 1.5 cm - Thumbnail 
Special Info
Radioactive!! 

Dull yellow coatings.


Sedovite

Formula
U4+(MoO4)2 
Crystal System
Orthorhombic 
Crystal Habit
Radial, Acicular, Aggregates 
Cleavage
Good, None, None 
Luster
Sub Metallic 
Color
brown, reddish brown 
Streak
red brown 
Class
Orthorhombic 
Hardness
3 
Collection
William & Anne Cook Collection
Special Info
Radioactive!!
On Dakota Matrix
Previously Sold Sedovite
On Dakota Matrix
Other Available Sedovite
WebMineral
View Sedovite
Mindat
View Sedovite
Smolyaninovite - BAC61672
Smolyaninovite - BAC61672

Smolyaninovite

with Erythrite - #BAC61672
Locality
Dome Rock mine, Olary, South Australia, Australia 
Formula
Co3Fe3+2(AsO4)4·11H2O 
Availability
Available
Price
$35.00
Size
1.8 x 1.1 x 1.2 cm - Thumbnail 
Tagged
arsenate  

Orange masses of Smolyaninovite associated with Erythrite.


Collection
William & Anne Cook Collection
On Dakota Matrix
Previously Sold Smolyaninovite
On Dakota Matrix
Other Available Smolyaninovite
WebMineral
View Smolyaninovite
Mindat
View Smolyaninovite
SOLD
Sphalerite - 61677
Sphalerite - 61677

Sphalerite

with Quartz - #61677
Locality
Animon mine, Huaron dist., Pasco, Pasco dept., Peru 
Formula
ZnS 
Availability
Sold
Size
10 x 7 x 4.5 cm - Cabinet 
Tagged
sulfide  

Cabinet specimen with needle Quartz and large 1-1.5cm black and lustrous Sphalerite crystals.


Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
Mineralpedia
View Sphalerite
On Dakota Matrix
Previously Sold Sphalerite
On Dakota Matrix
Other Available Sphalerite
WebMineral
View Sphalerite
Mindat
View Sphalerite

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