David K. Joyce

Mexico, Various Minerals and Localities

Here are some very nice specimens that just don't fit into any of the other categories. All very nice!

All prices in Canadian dollars. For payment in US$, deduct 21% or multiply by 0.79.

Click on any of the following thumbnails to view a larger image of the specimen.

HemimorphiteMexico, Various Minerals and Localities
  • Item #12042
  • Hemimorphite
  • 11.5x8.2x5.2 cm
  • Largest Crystal Size: 15mm
  • $75.00
  • La Mina Ojuela
  • Mapimi, Durango
    Mexico
  • A beautiful specimen of hematite-stained hemimorphite crystals bristling out of a concave area on this limonite matrix. Looks great!
Galena, Pyrite, CalciteMexico, Various Minerals and Localities
  • Item #15053
  • Galena, Pyrite, Calcite
  • 5.5x3.7x3.3 cm
  • Largest Crystal Size: g-13mm
  • $35.00
  • Naica
  • Chihushua
    Mexico
  • Several very sharp, lustrous galena crystals are well positioned on a matrix of small calcite crystals associated with pyrite crystals. Looks good!
Galena, PyriteMexico, Various Minerals and Localities
  • Item #15055
  • Galena, Pyrite
  • 4.4x2.7x2.2 cm
  • Largest Crystal Size: 15mm
  • $30.00
  • Naica
  • Chihuahua
    Mexico
  • A 15mm , lustrous, well formed cube-octahedron of galena sits atop this mound of small pyrite and galena crystals. Nice!
Boulangerite. Pyrite, SphaleriteMexico, Various Minerals and Localities
  • Item #15064
  • Boulangerite. Pyrite, Sphalerite
  • 7.1x3.5x5.0 cm
  • Largest Crystal Size: j-9mm
  • $65.00
  • Noche Bueno
  • Zacatecas
    Mexico
  • A very nice specimen of these oft-associated minerals. The piece has a vug on the left side that sports a couple of clusters of hair-like boulangerite crystals amongst dark brown sphalerite and golden pyrite crystals.
Gypsum, var. SeleniteMexico, Various Minerals and Localities
  • Item #18709
  • Gypsum, var. Selenite
  • 14.1x9.5x4.1 cm
  • Largest Crystal Size: 23mm
  • $110.00
  • Los Lamentos Mine
  • Chihuahua
    Mexico
  • A plate of curly-cue crystals of gypsum. An excellent example of this habit of gypsum!
Calcite, HemimorphiteMexico, Various Minerals and Localities
  • Item #16780
  • Calcite, Hemimorphite
  • 7.7x4.9x2.7 cm
  • Largest Crystal Size: c-15mm, h-4mm
  • $25.00
  • Santa Eulalia
  • Chihuahua
    Mexico
  • A nice cluster of very white, slightly iron-tinted calcite crystals with some small, clear, bladed hemimorphite crystals here and there. Nice!
AdamiteMexico, Various Minerals and Localities
  • Item #16792
  • Adamite
  • 5.7x4.4x4.4 cm
  • Largest Crystal Size: 8mm
  • $45.00
  • Ojuela Mine
  • Mapimi
    Mexico
  • The shallow vug on the top of this specimen is largely lined with light green composite adamite crystals. Classic!
Gypsum, var. SeleniteMexico, Various Minerals and Localities
  • Item #16921
  • Gypsum, var. Selenite
  • 12.5x5.8x2.4 cm
  • Largest Crystal Size: as above
  • $55.00
  • Naica Mine
  • Chihuahua
    Mexico
  • A very nice, elongated twin crystal of gypsum from one of the most famous "selenite" localities in the world. Very little bruising. Classic!
Mimetite, CalciteMexico, Various Minerals and Localities
  • Item #19879
  • Mimetite, Calcite
  • 19.0x11.5x4.4 cm
  • Largest Crystal Size: 6mm balls
  • $140.00
  • Santa Eulalia
  • Chihuahua
    Mexico
  • A large plate of calcite that is peppered with rounded aggregates of orange mimetite. Great looking specimen!
CalciteMexico, Various Minerals and Localities
  • Item #20268
  • Calcite
  • 11.5x11.0x8.0 cm
  • Largest Crystal Size: 21mm
  • $75.00
  • Chihuahua
    Mexico
  • A large cluster of sharp but rounded, lustrous calcite crystals. The crystals are, essentially, complex, modified scalenohedra with reddish inclusions of hematite or iron-rich clay. Sorry, Chihuahua is the best locality info that I have. Looks great!
HemimorphiteMexico, Various Minerals and Localities
  • Item #20913
  • Hemimorphite
  • 11.9x8.7x4.9 cm
  • Largest Crystal Size: 8mm
  • $55.00
  • Ojuela Mine
  • Mapimi, Durango
    Mexico
  • Really nice cluster of hemimorphite from this world famous, prolific producer of secondary mineral specimens. The hemimorphite crystals are colourless, transparent, bladed crystals. Some white calcite rhombs suspended in the hemimorphites. Nice small cabinet specimen.
Sphalerite, Quartz, CalciteMexico, Various Minerals and Localities
  • Item #20914
  • Sphalerite, Quartz, Calcite
  • 12.5x11.6x4.9 cm
  • Largest Crystal Size: Sp 20mm, Qu 11mm, Ca 9mm
  • $140.00
  • Naica
  • Chihuahua
    Mexico
  • A really nice plate of dark brown, lustrous, sphalerite crystals largely covered with beige quartz crystals and some white rhombs of calcite.
GypsumMexico, Various Minerals and Localities
  • Item #20988
  • Gypsum
  • 18.2x12.0x6.0 cm
  • Largest Crystal Size: as above
  • $130.00
  • Naica
  • Chihuahua
    Mexico
  • This specimen is one, large parallel growth selenite crystal with multiple, terminations. There is some rock attached to the bottom left hand corner. Water clear and very lustrous. A little abrasion but, as you can see, not very noticeable. Gorgeous example!
PyrargyriteMexico, Various Minerals and Localities
  • Item #21155
  • Pyrargyrite
  • 2.3x2.1x1.2 cm
  • Largest Crystal Size: 3mm
  • $85.00
  • San Luis Mine
  • Fresnillo, Zacatecas
    Mexico
  • Very good cluster of trigonal pyrargyrite crystals with just a little quartz on the back. The crystals are prismatic-hexagonal with rhombohedral terminations. Some damage but lots of good crystals! t
WulfeniteMexico, Various Minerals and Localities
  • Item #21256
  • Wulfenite
  • 9.5x6.5x3.5 cm
  • Largest Crystal Size: 5mm
  • $75.00
  • Ojuela Mine
  • Mapimi, Durango
    Mexico
  • A superb example of a different habit of wulfenite than we have seen recently from the Ojuela Mine. The crystals appear like sandwiches, lighter, opaque, yellow-green outer pinacoid zone with a darker, less opaque middle zone. In reality, the crystals are a little darker yellow-green colour than featured in the pictures. Great looking specimen with no discernable damage. Displays perfectly! R
GrossularMexico, Various Minerals and Localities
  • Item #21288
  • Grossular
  • 13.0x11.1x5.2 cm
  • Largest Crystal Size: 14mm
  • $85.00
  • Coahuilla

  • Mexico
  • What colour for a garnet! Half of this specimen is covered by grossular crystals that have a peculiar, hot-pink colouration. Some of the crystals are rough dodecahedra while others are very sharp dodecahedra.
DanburiteMexico, Various Minerals and Localities
  • Item #22092
  • Danburite
  • 7.9x4.5x2.8 cm
  • Largest Crystal Size: 79mm
  • $85.00
  • Charcas
  • San Luis Potosi
    Mexico
  • Several, elongate, prismatic, white-colourless, partially gemmy danburite crystals form one of the best localities. Well terminated, sharp cluster! r
DanburiteMexico, Various Minerals and Localities
  • Item #22093
  • Danburite
  • 8.8x4.7x2.4 cm
  • Largest Crystal Size: as above
  • $140.00
  • Charcas
  • San Luis Potosi
    Mexico
  • A VERY large crystal of danburite, that is just danburite - beautiful single, well terminated crystal. Wow! Excellent example of this mineral! r
Danburite, CalciteMexico, Various Minerals and Localities
  • Item #22108
  • Danburite, Calcite
  • 14.1x5.4x4.0 cm
  • Largest Crystal Size: as above
  • $140.00
  • Charcas
  • San Luis Potosi
    Mexico
  • Wow! A VERY large, singly terminated danburite crystal from the place that produces some of the best and biggest crystals! This crystal has a perfect termination with interesting facets. The "front" is nicely striated, lustrous crystal faces and the "back" is totally covered with hexagonal, tabular calcite crystals. Excellent example of this mineral!
Vanadinite, var. EndlichiteMexico, Various Minerals and Localities
  • Item #22113
  • Vanadinite, var. Endlichite
  • 13.0x6.4x3.5 cm
  • Largest Crystal Size: 3mm
  • $65.00
  • Erupcion Mine
  • Los Lamentos, Ahumada, Chihuahua
    Mexico
  • This matrix of undulating, colourless calcite crystals is almost totally covered with brown, pointy vanadinite crystals. It is the arsenic-rich variety termed endlichite. Some bruising but lots of great crystals! Lots! Sits perfectly for display.
MimetiteMexico, Various Minerals and Localities
  • Item #22766
  • Mimetite
  • 9.3x5.2x2.6 cm
  • Largest Crystal Size: n/a
  • $55.00
  • Ojuela Mine
  • Mapimi
    Mexico
  • Nice plate of radiating, sort of botryoidal groups of yellow mimetite. Classic! R
Sphalerite, QuartzMexico, Various Minerals and Localities
  • Item #22900
  • Sphalerite, Quartz
  • 8.0x8.5x7.4 cm
  • Largest Crystal Size: 21mm
  • $85.00
  • Naica
  • Chihuahua
    Mexico
  • A cluster of black sphalerite crystals partially covered with small milky quartz crystals and some small, tiny pyrite crystals. Looks great from several angles. Stands well for display!
Sphalerite, PyriteMexico, Various Minerals and Localities
  • Item #22901
  • Sphalerite, Pyrite
  • 4.0x2.8x2.4 cm
  • Largest Crystal Size: 12mm
  • $35.00
  • Naica
  • Chihuahua
    Mexico
  • Nice, small cluster of dark brown sphalerite crystals crowned with lots of golden pyrite crystals. Classic!
Sphalerite, PyriteMexico, Various Minerals and Localities
  • Item #22904
  • Sphalerite, Pyrite
  • 2.6x3.4x2.4 cm
  • Largest Crystal Size: 16mm
  • $35.00
  • Naica
  • Chihuahua
    Mexico
  • A nice mound of black sphalerite crystals encrusted with sparkling pyrite crystals. Good looking specimen of this ore mineral!
Sphalerite, PyriteMexico, Various Minerals and Localities
  • Item #22903
  • Sphalerite, Pyrite
  • 4.6x2.8x2.0 cm
  • Largest Crystal Size: 16mm
  • $35.00
  • Naica
  • Chihuahua
    Mexico
  • Here is a nice ssphalerite cluster! One larger, 16mm crystal sits on a mound of smaller crystals. A couple of pyrite "pyritohedra" are associated. Nice looking.
GrossularMexico, Various Minerals and Localities
  • Item #22933
  • Grossular
  • 6.4x4.4x4.2 cm
  • Largest Crystal Size: as above
  • $55.00
  • Sierra de Cruces
  • Coahuila
    Mexico
  • A large grossular crystal from the famous locality near Sierra de Cruces. The crystal is a simple dodecahedron with a light green colouration. One point where it was attached to another smaller crystal and a small part of the crystal is repaired. Nice smooth crystal. R