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0 item @ $0.00  

Mexican Minerals

Tuesday, 24 March 2020 12:00 PM

Introducing the "Mexican Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including pyrargyrite, pyrrhotite, quartz, silver, and sphalerite and more from places like San Juan de Rayas mine, Guanajuato, Mexico, Santa Eulalia, Chihuahua, Mexico, Los Arcoiris, Ojo Laguna, Chihuahua, Mexico, Mina Ojuela, Mapimi, Durango, Mexico.

Pyrargyrite

#BN51695
Locality
San Juan de Rayas mine, Guanajuato, Mexico 
Formula
Ag3SbS3 
Availability
Sold
Size
2.4 x 1.3 x 1.2 cm - Thumbnail 
Tagged
sulfide , silver  

A 2.3cm terminated Pyrargyrite crystal, nicely terminated, and showing nice red internal reflections. A ding on termination.


Pyrargyrite

Formula
Ag3SbS3 
Crystal System
Trigonal 
Crystal Habit
Massive, Crystalline - Poor, Prismatic 
Cleavage
Poor, None, None 
Luster
Sub Metallic 
Color
deep red, red gray 
Streak
cherry red 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5 

Pyrrhotite

with Sphalerite - #AH52737
Locality
Santa Eulalia, Chihuahua, Mexico 
Formula
Fe7S8 
Availability
Sold
Size
6 x 4.5 x 5 cm - Sm Cabinet 
Tagged
sulfide  

Brassy colored barrel shaped crystals of magnetic Pyrrhotite to 8mm associated with Sphalerite and Quartz. Excellent specimen. Acquired in 1971 by Hampson.


Pyrrhotite

Formula
Fe7S8 
Crystal System
Monoclinic 
Crystal Habit
Tabular, Platy, Massive - Granular 
Cleavage
Imperfect, Imperfect, None 
Luster
Metallic 
Color
bronze, bronze red, dark brown 
Streak
gray black 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection

Quartz

var. agate - #52800
Locality
Los Arcoiris, Ojo Laguna, Chihuahua, Mexico 
Formula
SiO2 
Availability
Available
Price
$85.00
Size
6.5 x 6 x 2 cm - Sm Cabinet 

Beautiful Laguna agate with white to purple bands and Quartz crystals in a vug at center. Two main photos are shown: the left photo is dry and right photo is takes with the specimen wet, which brings out the color. All of the close-ups are wet.


Quartz

Formula
SiO2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Druse, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, violet, gray, yellow 
Streak
white 
Class
Trigonal - Trapezohedral 
Fracture
Conchoidal 
Hardness
Mineralpedia
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Quartz

var. agate - #52801
Locality
Los Arcoiris, Ojo Laguna, Chihuahua, Mexico 
Formula
SiO2 
Availability
Available
Price
$150.00
Size
4.5 x 3.5 x 2.5 cm - Miniature 

Both sides this specimen have bands of various shades of red and near the center are light purple bands. The photo on the left is dry and the photo on the right is wet. Wetting agate specimens always brings out the color. Beautiful specimen from this locality. All of the close-ups are wet


Quartz

Formula
SiO2 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Druse, Crystalline - Fine 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, violet, gray, yellow 
Streak
white 
Class
Trigonal - Trapezohedral 
Fracture
Conchoidal 
Hardness
Mineralpedia
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Previously Sold Quartz
On Dakota Matrix
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WebMineral
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Mindat
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Silver

#AH52746
Locality
Mina Ojuela, Mapimi, Durango, Mexico 
Formula
Ag 
Availability
Sold
Size
7 x 5.5 x 4 cm - Sm Cabinet 
Tagged
native element  

You would almost miss this Silver at first glance. A closer look reveals leaf Silver to 9mm on Chrysocolla matrix Calcite. Acquired by Hampson in 1971 on one of his trips to Mexico.


Silver

Formula
Ag 
Crystal System
Isometric 
Crystal Habit
Arborescent, Dendritic, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
silver white, gray white, gray 
Streak
silver white 
Class
Isometric - Hexoctahedral 
Fracture
Hackly 
Hardness
2.5-3 
Collection
Arnold G Hampson Collection
Mineralpedia
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Sphalerite

#AH52743
Locality
Santa Eulalia, Chihuahua, Mexico 
Formula
ZnS 
Availability
Sold
Size
5 x 3 x 1 cm - Miniature 
Tagged
sulfide  

Black, flashy and striated Sphalerite crystals to 7mm. 


Sphalerite

Formula
ZnS 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Granular, Colloform 
Cleavage
Perfect, Perfect, Perfect 
Luster
Resinous - Greasy 
Color
brown, yellow, red, green, black 
Streak
brownish white 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection

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