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Rare Minerals Specimens

Tuesday, 24 January 2023 04:00 PM

Introducing the "Rare Minerals Specimens" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including hodrusite, kamphaugite-(y), klebelsbergite, kleinite, lithiowodginite, and lotharmeyerite and more from places like Bisbee, Cochise Co., Arizona, United States, Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia, Pereta mine, Grosseto Province, Tuscany, Italy, McDermitt mine, Humboldt Co., Nevada, United States, Tanco pegmatite, Bernic Lake, Manitoba, Canada, and Mina Ojuela, Mapimi, Durango, Mexico.

Hodrusite

#BAC60750
Locality
Bisbee, Cochise Co., Arizona, United States 
Formula
Cu4Bi6S11 
Availability
Sold
Size
3.5 x 2 x 2.5 cm - Miniature 
Tagged
sulfide , copper  

Massive dull grey metallic Hodrusite intermixed with Pyrite. Ex. Sid Williams specimen with tag.


Collection
William & Anne Cook Collection

Kamphaugite-(Y)

#59810
Locality
Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia 
Formula
Ca2Y2(CO3)4(OH)2·3H2
Availability
Sold
Size
5 x 3.5 x 1.3 cm - Miniature 
Tagged
carbonate , REE mineral  

Creamy white beads with thick coverage.


Kamphaugite-(Y)

Formula
Ca2Y2(CO3)4(OH)2·3H2
Crystal System
Tetragonal 
Crystal Habit
Spherical 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, white, light yellow 
Streak
white 
Class
Tetragonal - Trapezohedral 
Hardness
2-3 

Klebelsbergite

with Sulphur on Stibnite - #60910
Locality
Pereta mine, Grosseto Province, Tuscany, Italy 
Formula
Sb3+4O4(SO4)(OH)2 
Availability
Available
Price
$50.00
Size
4.5 x 3 x 3 cm - Miniature 

White bladed sprays of Klebelsbergite on Stibnite with micro crystals of Sulphur.


Klebelsbergite

Formula
Sb3+4O4(SO4)(OH)2 
Crystal System
Orthorhombic 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, yellow orange, white, light yellow, dark yellow 
Streak
yellow white 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
3.5-4 

Kleinite

with Terlinguacreekite - #60901
Locality
McDermitt mine, Humboldt Co., Nevada, United States 
Formula
Hg2N(Cl,SO4)·nH2
Availability
Available
Price
$85.00
Size
3.5 x 3 x 3 cm - Miniature 

Orange, glassy crystals to Kleinite with dull yellow possible Terlinguacreekite.


Kleinite

Formula
Hg2N(Cl,SO4)·nH2
Crystal System
Hexagonal 
Crystal Habit
Prismatic 
Cleavage
Good, None, None 
Luster
Adamantine 
Color
yellow, orange 
Streak
yellow 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Mineralpedia
View Kleinite
On Dakota Matrix
Previously Sold Kleinite
On Dakota Matrix
Other Available Kleinite
WebMineral
View Kleinite
Mindat
View Kleinite

Lithiowodginite

#BAC60754
Locality
Tanco pegmatite, Bernic Lake, Manitoba, Canada 
Formula
LiTa3O8 
Availability
Sold
Size
7 x 3 x 3 cm - Sm Cabinet 
Tagged
pegmatite mineral , lithium  

Two large 5mm dull grey Lithiowodginite crystal grains and several smaller 1-2mm rice-shaped crystals in Quartz/Microcline/Muscovite matrix.


Lithiowodginite

Formula
LiTa3O8 
Crystal System
Monoclinic 
Crystal Habit
Inclusions, Twinning Common 
Cleavage
None, None, None 
Luster
Adamantine 
Color
brown, pink, red 
Streak
pale pink 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
5-6 
Collection
William & Anne Cook Collection

Lotharmeyerite

#BAC60751
Locality
Mina Ojuela, Mapimi, Durango, Mexico 
Formula
CaZn2(AsO4)2·2H2
Availability
Sold
Size
4.5 x 3.5 x 2.5 cm - Miniature 
Tagged
arsenate  

Superb specimen with countless deep purplish red micro crystals.


Lotharmeyerite

Formula
CaZn2(AsO4)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Druse, Encrustations 
Luster
Vitreous (Glassy) 
Color
dark reddish orange, reddish brown, red orange 
Streak
orange 
Class
Monoclinic 
Hardness
Collection
William & Anne Cook Collection

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