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0 item @ $0.00  

Mixed Minerals

Friday, 24 April 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including hureaulite, pyromorphite, vanadinite, and wulfenite and more from places like Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil, Bad Ems, Rhineland-Palatinate, Germany, Grey Horse mine, Pinal Co., Arizona, United States, and Mammoth mine, Tiger, Pinal Co., Arizona, United States.

SOLD
Hureaulite - BN53101
Hureaulite - BN53101

Hureaulite

#BN53101
Locality
Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil 
Formula
Mn2+5(PO4)2(PO3OH)2·4H2
Availability
Sold
Size
5.5 x 2.5 x 2 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Pink micro crystals around 1mm, but not well-defined in mass.


Hureaulite

Formula
Mn2+5(PO4)2(PO3OH)2·4H2
Crystal System
Monoclinic 
Crystal Habit
Massive, Compact, Fibrous 
Cleavage
Distinct, None, None 
Luster
Vitreous - Greasy 
Color
red, white, grayish white, yellowish white, reddish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness
Collection
Dr. Buford Nichols Collection

Pyromorphite

#WR53158
Locality
Bad Ems, Rhineland-Palatinate, Germany 
Formula
Pb5(PO4)3Cl 
Availability
Available
Price
$150.00
Size
7 x 5 x 2 cm - Sm Cabinet 

Lustrous brown and color zoned as seen in the photos. The largest crystals is 8mm. There are two nice lablels with it: Dr. F. Krantz and a E.M. Gunnel label. See prov tab.


Pyromorphite

Formula
Pb5(PO4)3Cl 
Crystal System
Hexagonal 
Crystal Habit
Crystals short to long prismatic, acicular, often hoppered terminations, rarely tabular to equant; radiating to branching groups, tapering to a point. Commonly rounded, globular, reniform, botryoidal. 
Cleavage
On {1011}, interrupted 
Luster
Resinous to subadamantine 
Color
Dark grass-green, green, yellow, yellow-orange, reddish orange, yellow-brown, brown, tan, grayish, may be colorless 
Streak
White 
Geological Setting
A secondary mineral in the oxidized zone of lead deposits 
Class
Hexagonal, 6/m - Dipyramidal 
Fracture
Uneven to subconchoidal 
Hardness
3.5–4 

Vanadinite

#AH53092
Locality
Grey Horse mine, Pinal Co., Arizona, United States 
Formula
Pb5(VO4)3Cl 
Availability
Available
Price
$25.00
Size
5 x 4 x 2 cm - Miniature 
Tagged
vanadium  

Stubby little 1 to 4mm hollowed red Vanadinite crystals, somewhat fragile. There will be some crumbs upon shipping, but still viable. This is one of Arizona's noted Vanadinite localities.


Vanadinite

Formula
Pb5(VO4)3Cl 
Crystal System
Hexagonal 
Crystal Habit
Globular, Prismatic, Nodular 
Cleavage
None, None, None 
Luster
Adamantine 
Color
brown, brownish yellow, brown red, colorless, yellow 
Streak
brownish yellow 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection

Wulfenite

with Mimetite - #AH53115
Locality
Mammoth mine, Tiger, Pinal Co., Arizona, United States 
Formula
PbMoO4 
Availability
Sold
Size
11 x 7 x 7 cm - Cabinet 

This is a large cabinet specimen of micro orange and red Vanadinite crystals no more than 1mm. There are some wulfenite crystals, but you have to hard for them. It is a crumbly piece, so if you buy, expect some collateral damage.


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
Collection
Arnold G Hampson Collection
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