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0 item @ $0.00  

Mixed Minerals

Sunday, 18 November 2018 12:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including matioliite, orpiment, pucherite, stibnite, ulrichite, and wulfenite and more from places like Gentil mine, Mendes Pimentel, Minas Gerais, Brazil, Quiruvilca mine, Santiago de Chuco prov., La Libertad dept., Peru, Schneeberg dist., Erzgebirge, Saxony, Germany, Baia Sprie, Maramures Co., Romania, Lake Boga granite quarry, Lake Boga, Victoria, Australia, and San Francisco mine, Sonora, Mexico.

Matioliite

#BN50010
Locality
Gentil mine, Mendes Pimentel, Minas Gerais, Brazil 
Formula
NaMgAl5(PO4)4(OH)6·2H2
Availability
Sold
Size
5.5 x 4 x 2 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  
Special Info
Type Locality 

Blue platy crystals in a matrix of white Microcline.


Matioliite

Formula
NaMgAl5(PO4)4(OH)6·2H2
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Tabular 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
blue, colorless 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
Collection
Dr. Buford Nichols Collection
Special Info
Type Locality

Orpiment

#RW48713
Locality
Quiruvilca mine, Santiago de Chuco prov., La Libertad dept., Peru 
Formula
As2S3 
Availability
Sold
Size
9 x 6 x 3 cm - Sm Cabinet 
Tagged
sulfide  

Orange crystals of Orpiment to 1.3cm. It is dark orange and not as bright an orange as the photos show.


Orpiment

Formula
As2S3 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Massive - Fibrous, Foliated 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
lemon yellow, brownish yellow, orange yellow 
Streak
pale yellow 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
1.5-2 
Collection
Robert J. Waidler Collection
Mineralpedia
View Orpiment
On Dakota Matrix
Previously Sold Orpiment
On Dakota Matrix
Other Available Orpiment
WebMineral
View Orpiment
Mindat
View Orpiment

Pucherite

with Beyerite - #DS43474
Locality
Schneeberg dist., Erzgebirge, Saxony, Germany 
Formula
BiVO4 
Availability
Sold
Size
4 x 4 x 1.5 cm - Miniature 
Tagged
vanadium  

Numerous euhedral crystals to 1mm all over matrix - very rich - with unknown green mineral.


Pucherite

Formula
BiVO4 
Crystal System
Orthorhombic 
Crystal Habit
Tabular, Acicular, Pulverulent 
Cleavage
Perfect, None, None 
Luster
Vitreous - Adamantine 
Color
yellow brown, dark brown red, pink brown, reddish brown 
Streak
yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness

Stibnite

#RW49920
Locality
Baia Sprie, Maramures Co., Romania 
Formula
Sb2S3 
Availability
Available
Price
$45.00
Size
8 x 4 x 2.5 cm - Sm Cabinet 
Tagged
sulfide  

Slender steely grey prismatic crystals of Stibnite. The longest crystals measure 5cm.


Stibnite

Formula
Sb2S3 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Striated, Granular 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, bluish lead gray, steel gray, black 
Streak
blackish gray 
Class
Orthorhombic - Dipyramidal 
Fracture
Conchoidal 
Hardness
Collection
Robert J. Waidler Collection
Mineralpedia
View Stibnite
On Dakota Matrix
Previously Sold Stibnite
On Dakota Matrix
Other Available Stibnite
WebMineral
View Stibnite
Mindat
View Stibnite

Ulrichite

#27214
Locality
Lake Boga granite quarry, Lake Boga, Victoria, Australia 
Formula
CaCu(UO2)(PO4)2·4H2
Availability
Sold
Size
1.5 x 1.5 x 1 cm - Thumbnail 
Tagged
phosphate , copper  
Special Info
Type & Only Locality 

There are two bright green clusters of Ulrichite crystals. The one shown is 0.75mm. This is the type and only locality.


Ulrichite

Formula
CaCu(UO2)(PO4)2·4H2
Crystal System
Monoclinic 
Crystal Habit
Acicular, Radial 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
green, lime green 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Special Info
Type & Only Locality
Mineralpedia
View Ulrichite
On Dakota Matrix
Previously Sold Ulrichite
On Dakota Matrix
Other Available Ulrichite
WebMineral
View Ulrichite
Mindat
View Ulrichite

Wulfenite

with Mimetite - #RW49925
Locality
San Francisco mine, Sonora, Mexico 
Formula
PbMoO4 
Availability
Available
Price
$75.00
Size
5 x 3.5 x 2.5 cm - Miniature 

Thin orange plates of Wulfenite with the two top crystals measuring 1.7cm. There is chip off of one of the main crystals, so it is priced accordingly.  Lower at the base are spherules of fiery orange Mimetite. 

The specimen will be shipped in box full of soap flakes, a proven method.


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
Robert J. Waidler Collection
Mineralpedia
View Wulfenite
On Dakota Matrix
Previously Sold Wulfenite
On Dakota Matrix
Other Available Wulfenite
WebMineral
View Wulfenite
Mindat
View Wulfenite

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