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Mixed Minerals

Friday, 30 August 2019 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including cuprite, høgtuvaite, lollingite, nifontovite, parisite-(ce), and plattnerite and more from places like Morenci mine, Greenlee Co., Arizona, United States, Hogtuva, Rana, Nordland, Norway, Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States, Mina Rey y Reina, Charcas, San Luis Potosi, Mexico, Snowbird mine, Lola Pass, Mineral Co., Montana, United States, and Mina Ojuela, Mapimi, Durango, Mexico.

Cuprite

var. chalcotrichite - #RW51203
Locality
Morenci mine, Greenlee Co., Arizona, United States 
Formula
Cu1+2
Availability
Sold
Size
10 x 8 x 7 cm - Cabinet 
Tagged
copper  

Fine acicular crystals of Cuprite variety chalcotrichite in large Cuprite mass with Malachite and Azurite. It's heavy!


Cuprite

Formula
Cu1+2
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Capillary 
Cleavage
Imperfect, None, None 
Luster
Adamantine 
Color
brown red, purple red, red, black 
Streak
brownish red 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection
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Høgtuvaite

#51175
Locality
Hogtuva, Rana, Nordland, Norway 
Formula
Ca4(Fe2+6Fe3+6)O4[Si8Be2Al2O36
Availability
Available
Price
$125.00
Size
2.8 x 2.3 x 1.1 cm - Thumbnail 
Tagged
beryllium  
Special Info
Type & Only Locality 

Elongated, thin, bladed black crystals throughout the specimen. The largest crystals reach 9mm. It is extremely rare and found only at this deposit named for the nearest prominent landmark, Høgtuva peak. It is a berllium mineral of the Aenigmatite group.


Collection
Dr. Buford Nichols Collection
Special Info
Type & Only Locality

Lollingite

with Sphalerite & Calcite - #PD51188
Locality
Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States 
Formula
FeAs2 
Availability
Sold
Size
10 x 8 x 6 cm - Cabinet 
Tagged
sulfide  

Large specimen of Calcite with silvery Lollingite masses to 1.5cm and black Sphalerite.


Lollingite

Formula
FeAs2 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Prismatic, Twinning Common 
Cleavage
Distinct, None, None 
Luster
Metallic 
Color
silvery white, tarnish gray 
Streak
grayish black 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
Collection
Don Phillips Collection

Nifontovite

#50712
Locality
Mina Rey y Reina, Charcas, San Luis Potosi, Mexico 
Formula
Ca3[BO(OH)2]6·2H2
Availability
Available
Price
$175.00
Size
7 x 6 x 4.5 cm - Sm Cabinet 
Special Info
Fluorescent 

Three large, prominent crystals to 1.9cm showing angled striations. This locality is one of four worldwide and probably the best for crystal size. Excellent specimen.


Nifontovite

Formula
Ca3[BO(OH)2]6·2H2
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, gray 
Streak
white 
Class
Monoclinic 
Hardness
3.5 
Special Info
Fluorescent

Parisite-(Ce)

#51223
Locality
Snowbird mine, Lola Pass, Mineral Co., Montana, United States 
Formula
CaCe2(CO3)3F2 
Availability
Available
Price
$75.00
Size
7.5 x 6.5 x 3.5 cm - Sm Cabinet 
Tagged
carbonate , REE mineral  

Long 5cm brown crystal in matrix.


Parisite-(Ce)

Formula
CaCe2(CO3)3F2 
Crystal System
Trigonal 
Crystal Habit
Acicular, Striated, Prismatic 
Cleavage
Distinct, None, None 
Luster
Vitreous - Greasy 
Color
brown, brownish yellow, grayish yellow, yellow 
Streak
white 
Class
Trigonal - Pyramidal 
Fracture
Brittle 
Hardness
4.5 

Plattnerite

#RW51180
Locality
Mina Ojuela, Mapimi, Durango, Mexico 
Formula
PbO2 
Availability
Sold
Size
10 x 6 x 6 cm - Cabinet 

Black needles of Plattnerite covering limonitic matrix.


Plattnerite

Formula
PbO2 
Crystal System
Tetragonal 
Crystal Habit
Massive, Encrustations, needle-like millimeter size crystals 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
brownish black, iron black, black 
Streak
chestnut brown 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Brittle 
Hardness
5.5 
Collection
Robert J. Waidler Collection

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