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Recently Released New Additions

Mixed Minerals

Sunday, 06 November 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 metavariscite, mimetite, silver, and steenstrupine-(ce) and more from places like Lucin Hill, Box Elder Co., Utah, United States, San Rafael mine, Nye Co., Nevada, United States, Keeley-Frontier mine, Cobalt dist., Ontario, Canada, and Taseq Slope, Ilimaussaq complex, Kitaa prov., Greenland.

Metavariscite - 48744
Metavariscite - 48744

Metavariscite

#48744
Locality
Lucin Hill, Box Elder Co., Utah, United States 
Formula
AlPO4·2H2O 
Availability
Available
Price
$45.00
Size
6.5 x 5 x 4 cm - Sm Cabinet 
Tagged
phosphate  

Excellent light green bladed crystals as singles and clusters.


Metavariscite

Formula
AlPO4·2H2O 
Crystal System
Monoclinic 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
light green 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
3.5 
Mineralpedia
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Previously Sold Metavariscite
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Mimetite - 59619
Mimetite - 59619

Mimetite

#59619
Locality
San Rafael mine, Nye Co., Nevada, United States 
Formula
Pb5(AsO4)3Cl 
Availability
Available
Price
$30.00
Size
4.5 x 3 x 1.5 cm - Miniature 
Tagged
arsenate  

The specimen originated from Dr. Bill Wise, the late professor of mineralogy at the University of California at Santa Barbara. He collected it in 1975. The yellow is the Mimetite, gorgeous little crystals. 


Mimetite

Formula
Pb5(AsO4)3Cl 
Crystal System
Hexagonal 
Crystal Habit
Reniform, Globular, Prismatic 
Cleavage
Imperfect, None, None 
Luster
Adamantine - Resinous 
Color
white, yellow, orange, brown, red 
Streak
white 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Mineralpedia
View Mimetite
On Dakota Matrix
Previously Sold Mimetite
On Dakota Matrix
Other Available Mimetite
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Mindat
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Silver - 59488
Silver - 59488

Silver

with Acanthite - #59488
Locality
Keeley-Frontier mine, Cobalt dist., Ontario, Canada 
Formula
Ag 
Availability
Available
Price
$45.00
Size
1 x 1 x 0.7 cm - Thumbnail 
Tagged
native element  

Wire silver curls to 2mm on Acanthite.


Silver

Formula
Ag 
Crystal System
Isometric 
Crystal Habit
Arborescent, Dendritic, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
silver white, gray white, gray 
Streak
silver white 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Mineralpedia
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On Dakota Matrix
Previously Sold Silver
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SOLD
Steenstrupine-(Ce) - 59518
Steenstrupine-(Ce) - 59518

Steenstrupine-(Ce)

#59518
Locality
Taseq Slope, Ilimaussaq complex, Kitaa prov., Greenland 
Formula
Na14Ce6Mn2+2Fe3+2Zr(PO4)7Si12O36(OH)2·3H2O 
Availability
Sold
Size
1.5 x 1 x 1 cm - Thumbnail 
Tagged
phosphate , REE mineral  

A small, but superb crystal to 7mm.


Steenstrupine-(Ce)

Formula
Na14Ce6Mn2+2Fe3+2Zr(PO4)7Si12O36(OH)2·3H2O 
Crystal System
Trigonal 
Crystal Habit
Metamict, Blocky, Prismatic 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
brown red, dark brown, black 
Streak
tan 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Conchoidal 
Hardness
4 
Mineralpedia
View Steenstrupine-(Ce)
On Dakota Matrix
Previously Sold Steenstrupine-(Ce)
On Dakota Matrix
Other Available Steenstrupine-(Ce)
WebMineral
View Steenstrupine-(Ce)
Mindat
View Steenstrupine-(Ce)

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