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Rare Minerals for Sale

Sunday, 02 February 2025 05:00 PM

Introducing the "Rare Minerals for Sale" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including chlorargyrite, chrysoberyl, emmonsite, galenobismutite, gotzenite, and graulichite-(ce) and more from places like Majuba Hill mine, Pershing Co., Nevada, United States, Novello mine, Fort Victoria, Masvingo dist., Zimbabwe, Moctezuma mine, Moctezuma, Sonora, Mexico, Gladhammar, Västervik, Småland, Sweden, Khibiny Massif, Kola Peninsula, Russia.

Chlorargyrite

with Olivenite - #JD65362
Locality
Majuba Hill mine, Pershing Co., Nevada, United States 
Formula
AgCl 
Availability
Sold
Size
6 x 4 x 2.5 cm - Sm Cabinet 
Tagged
silver  

Excellent rich specimen with brownish cubic crystals to about 0.5mm with outstanding green Olivenite crystals to 9mm.


Chlorargyrite

Formula
AgCl 
Crystal System
Isometric 
Crystal Habit
Massive, Columnar 
Cleavage
None, None, None 
Luster
Adamantine - Resinous 
Color
purplish gray, green, white, colorless 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Sectile 
Hardness
1-1.5 
Collection
John Dagenais Collection

Chrysoberyl

var. alexandrite - #46435
Locality
Novello mine, Fort Victoria, Masvingo dist., Zimbabwe 
Formula
BeAl2O4 
Availability
Sold
Size
1.8 x 1 x 1 cm - Thumbnail 
Tagged
beryllium  

This is a crude, doubly terminated with cyclic twinning of color changing Chrysoberyl, variety alexandrite. The color in hand is actually GREEN, however the digital camera picks up a purple.


Chrysoberyl

Formula
BeAl2O4 
Crystal System
Orthorhombic 
Crystal Habit
Twinning Common, Prismatic, Tabular 
Cleavage
Distinct, Imperfect, Imperfect 
Luster
Vitreous (Glassy) 
Color
blue green, brown, brownish green, green, gray 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
8.5 

Emmonsite

#JD65384
Locality
Moctezuma mine, Moctezuma, Sonora, Mexico 
Formula
Fe3+2(Te4+O3)3·2H2
Availability
Available
Price
$50.00
Size
5 x 3 x 3 cm - Miniature 
Tagged
tellurium  

Green "worm-like" crystals to 1mm.


Emmonsite

Formula
Fe3+2(Te4+O3)3·2H2
Crystal System
Triclinic 
Crystal Habit
Mammillary 
Cleavage
Perfect, None, None 
Luster
Vitreous - Dull 
Color
yellow, greenish yellow 
Class
Triclinic - Pinacoidal 
Hardness
2-2.5 
Collection
John Dagenais Collection
Mineralpedia
View Emmonsite
On Dakota Matrix
Previously Sold Emmonsite
On Dakota Matrix
Other Available Emmonsite
WebMineral
View Emmonsite
Mindat
View Emmonsite
SOLD
Galenobismutite - CL65380
Galenobismutite - CL65380

Galenobismutite

#CL65380
Locality
Gladhammar, Västervik, Småland, Sweden 
Formula
PbBi2S4 
Availability
Sold
Size
5 x 4 x 1.5 cm - Miniature 
Tagged
sulfide  

Excellent specimen loaded with sulfides including silvery Galenobismutite.


Galenobismutite

Formula
PbBi2S4 
Crystal System
Orthorhombic 
Crystal Habit
Columnar, Radial, Massive 
Cleavage
Good, None, None 
Luster
Metallic 
Color
lead gray, gray, light gray, tin white 
Streak
gray black 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
2.5-3 
Collection
Chet S. Lemanski, Jr. Collection

Gotzenite

#CL65381
Locality
Khibiny Massif, Kola Peninsula, Russia 
Formula
NaCa6Ti(Si2O7)2OF3 
Availability
Sold
Size
6 x 4.8 x 1.8 cm - Sm Cabinet 

Pink compact fibrous crystals. The entire backside is Gotzenite.


Gotzenite

Formula
NaCa6Ti(Si2O7)2OF3 
Crystal System
Triclinic 
Crystal Habit
Tabular, Prismatic, Acicular 
Cleavage
Perfect, Good 
Luster
Vitreous - Greasy 
Color
colorless, very pale yellow, tan, white 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
5.5-6 
Collection
Chet S. Lemanski, Jr. Collection
Mineralpedia
View Gotzenite
On Dakota Matrix
Previously Sold Gotzenite
On Dakota Matrix
Other Available Gotzenite
WebMineral
View Gotzenite
Mindat
View Gotzenite

Graulichite-(Ce)

#JD65364
Locality
Majuba Hill mine, Pershing Co., Nevada, United States 
Formula
CeFe3+3(AsO4)2(OH)6 
Availability
Sold
Size
5.5 x 3 x 2.5 cm - Sm Cabinet 

Although not described as occuring at Majuba, it was apparently identified by Martin Jensen from this locality. On this specimen it occurs as pulverulent white masses.


Graulichite-(Ce)

Formula
CeFe3+3(AsO4)2(OH)6 
Crystal System
Trigonal 
Crystal Habit
Rhombohedral Crystals, Spherical, Aggregates 
Cleavage
None, None, None 
Luster
Resinous 
Color
light green, brownish green 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Irregular 
Hardness
Collection
John Dagenais Collection

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