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0 item @ $0.00  

Mixed Minerals

Monday, 19 December 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 danburite, kampfite, lamprophyllite, ludjibaite, molybdenite, and rhodonite and more from places like Charcas, San Luis Potosi, Mexico, Esquire #1 claim, Rush Creek, Fresno Co., California, United States, Pegmatite Peak, Bearpaw Mts, Hill Co., Montana, United States, Atwood mine, Hidalgo Co., New Mexico, Untited States, Climax mine, Lake Co., Colorado, United States, and Franklin, Sussex Co., New Jersey, United States.

Danburite

#60523
Locality
Charcas, San Luis Potosi, Mexico 
Formula
CaB2Si2O8 
Availability
Sold
Size
7.5 x 7 x 4.5 cm - Sm Cabinet 

Glassy pink Danburite crystals, the largest to 6cm. The single crystal is best and is gemmy. The two in parallel are good crystals also, however they have some internal inclusions which clouds them up.


Danburite

Formula
CaB2Si2O8 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Disseminated, Euhedral Crystals 
Cleavage
Poor, None, None 
Luster
Vitreous - Greasy 
Color
colorless, white, gray, brownish white, straw yellow 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness
Mineralpedia
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Previously Sold Danburite
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Kampfite

#60381
Locality
Esquire #1 claim, Rush Creek, Fresno Co., California, United States 
Formula
Ba12(Si11Al5)O31(CO3)8Cl5 
Availability
Available
Price
$60.00
Size
1.5 x 1.5 x 1 cm - Thumbnail 
Tagged
Ba Silicates  
Special Info
Type Locality 

A light blue crystalline grain to 3mm across in Sanbornite matrix. Kampfite is found only in the barium silicate deposits of Big Creek-Rush Creek district.


Kampfite

Formula
Ba12(Si11Al5)O31(CO3)8Cl5 
Crystal System
Monoclinic 
Crystal Habit
Irregular Grains 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
light blue gray 
Streak
white 
Class
Monoclinic - Domatic 
Fracture
Brittle - Uneven 
Hardness
Collection
Robert E. Walstrom collection
Special Info
Type Locality
Mineralpedia
View Kampfite
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Previously Sold Kampfite
On Dakota Matrix
Other Available Kampfite
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Mindat
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Lamprophyllite

#RS60526
Locality
Pegmatite Peak, Bearpaw Mts, Hill Co., Montana, United States 
Formula
Na3(SrNa)Ti3(Si2O7)2O2(OH)2 
Availability
Available
Price
$75.00
Size
7 x 6.5 x 5 cm - Sm Cabinet 

Golden brown, thin, bladed crystals of Lamprophyllite to 2cm.


Lamprophyllite

Formula
Na3(SrNa)Ti3(Si2O7)2O2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Radial, Stellate, Acicular 
Cleavage
Good, None, None 
Luster
Vitreous - Pearly 
Color
yellow, brown 
Streak
brownish white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
2.5 
Collection
RC Stamberg Collection

Ludjibaite

#60469
Locality
Atwood mine, Hidalgo Co., New Mexico, Untited States 
Formula
Cu5(PO4)2(OH)4 
Availability
Sold
Size
4 x 2.5 x 2 cm - Miniature 
Tagged
phosphate , copper  
Special Info
XRD Confirmed 

Spheroidal dark green Ludjibaite lining quartz vugs. Great coverage.


Ludjibaite

Formula
Cu5(PO4)2(OH)4 
Crystal System
Triclinic 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue green 
Streak
bluish white 
Class
Triclinic - Pinacoidal 
Hardness
Collection
Robert E. Walstrom collection
Special Info
XRD Confirmed

Molybdenite

#59769
Locality
Climax mine, Lake Co., Colorado, United States 
Formula
MoS2 
Availability
Available
Price
$45.00
Size
5.5 x 4.5 x 2.5 cm - Sm Cabinet 
Tagged
sulfide  

Tabular groups of stacked Molbdenite crystals to 1cm in Quartz.


Molybdenite

Formula
MoS2 
Crystal System
Hexagonal 
Crystal Habit
Foliated, Massive, Disseminated 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
black, lead gray, gray 
Streak
greenish gray 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Sectile 
Hardness

Rhodonite

#60507
Locality
Franklin, Sussex Co., New Jersey, United States 
Formula
Mn2+SiO3 
Availability
Available
Price
$55.00
Size
5.5 x 3.5 x 3 cm - Sm Cabinet 

Dark pink Rhodonite with garnet(?).


Rhodonite

Formula
Mn2+SiO3 
Crystal System
Triclinic 
Crystal Habit
Tabular, Massive, Massive - Granular 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
pink, rose red, brownish red, black, yellow 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness
Collection
RC Stamberg Collection
Mineralpedia
View Rhodonite
On Dakota Matrix
Previously Sold Rhodonite
On Dakota Matrix
Other Available Rhodonite
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Mindat
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