Mexican Mineral Specimens, Page 4



                          Wulfenite                                                                     Fluorite                                                   Fluorite with Pyrite                                       Azurite


We carry a diversity of Mexican mineral specimens both from purchased collections and from more modern finds.  On the following pages you will encounter crystals from many locations and in many species.  Most are quite aesthetic and normally very reasonable in price however, high quality, damage free specimens of unusual or highly aesthetic species from Mexico have always commanded top dollar.   






OKH-618    Jamesonite on Calcite     Zacatecas, Mexico.  Ex. Paul and Dawne Dunning Collection.  This is a nice large specimen totally matted with silver colored jamesonite crystals.  It measures 9.5 x 6 x 4 cm.  There is no damage and views well from all sides.  The matrix is calcite crystals on galena.  This is one of the best examples of this material that I’ve had.  I will not ship it so it must be picked up (most likely at a convenient minerals show).    $295







OKH-609     Pyrite on Quartz     Zacatecas, Mexico.  Paul and Dawne Dunning Collection.  This specimen is a 7.4 x 4.8 x 3.5 cm grouping of crystals.  It is a floater composed of double terminated pyrite and quartz crystals.  There are a few tiny quartz crystals which are sheared off, but without magnification they are not noticeable.  The quartz is a nice light blue color and a pyrite is lustrous.  $60







OKH-606     Wulfenite and Mimetite     San Francisco Mine, Sonora, Mexico.  Paul and Dawne Dunning Collection.  This specimen is an attractive plate of crystals measuring 8.2 x 5.4 x 3 cm.  The wulfenite crystals are up to 1.3 cm each, very lustrous, and transparent.  They sit within a light druse of almost microscopic mimetite crystals.    The piece is well mineralized on the backside, as well.  There is no damage.  Obviously, this is a high quality piece from a very desirable, classic, find.  $400






OKH-602    Calcite     Jose Maria Patoni, Durango, Mexico.  Paul and Dawne Dunning Collection.  I am unsure of the specific location for this interesting crystal.  It is a single terminated specimen measuring 3.3 x 1.2 x 1 cm.  It is clear and has a very light white phantom.  Having a pinacoid termination its crystal form is interesting.  $30







OKH-599    Wulfenite on Mimetite    San Francisco Mine, Sonora, Mexico.  Paul and Dawne Dunning Collection.  A good example of this classic material measuring 6.8 x 3.5 x 2 cm which tabular wulfenites 2.7 cm on edge that rest on a druse of orange mimetite.  With magnification I see one crystal missing and two that are chipped.  Approximately 60% of the back side of the specimen is also crystallized.  $50






OKH-590    Fluorite    Mina Guadalupe, Durango Mexico.  Ex.  Paul and Dawne Dunning Collection.  This miniature measures 4.1 x 2.5 x 3.4 cm it exhibits purple octahedrons to 1.7 cm on edge.  They are well formed in high relief and show nice contrast to the white matrix on which they rest.  No damage. $50






OKH-577    Hemimorphite    Durango, Mexico.  Ex.  Paul and Dawne Dunning Collection.  Beautiful transparent baby blue hemimorphite coats this 5.5 x 5 cm plate that measures approximately 1.5 cm thick.  It looks to be fully crystallized on its backside but this is difficult to assess because it is glued into a perky box.  The later stage mineralization appears to be blooms of white calcite.  These minerals have very nice luster and are aesthetic.  One calcite bloom on the very edge of the piece is chipped, but that would be expected.  A very nice specimen.  $75







OKH-574    Hemimorphite    Durango, Mexico.  Ex.  Paul and Dawne Dunning Collection.  And attractive plate of medium blue botryoidal hemimorphite.  There are two generations of this mineral with the second generation being larger.  The piece measures 6.1 x 5.6 x 2 .2 cm.  It is glued into the bottom of a large perky box.  Damage free and attractive.  $45







OKH-663    Calcite and Mimetite    Chiuahua, Mexico.  Ex.  Paul and Dawne Dunning Collection.  This domical specimen is mounted in a perky box and measures 4.6 x 3.9 x 3 cm.  The calcites are multicolored blending cream and golden brown shades.  The mimetites are small and dominate one side of the specimen.  Very nice luster and no damage.  $45








OKH-664    Fluorite    Chiuahua, Mexico.  Ex.  Paul and Dawne Dunning Collection.  Also mounted in a perky box, this fine specimen is composed of clear fluorites to 1.2 cm each that have a very light greenish tint.  There are minor sulfides that appear to be galena and sphalerite crystals.  They are clear as inclusions within the fluorites.  This specimen measures 6.1 x 4 x 2.5 cm and has a wonderful luster.  It appears that the cubes are modified by dodecahedrons.  No damage.  A very find specimen in all regards.  $125








OKH-652    Selenite (gypsum)    Mexico.  Ex.  Paul and Dawne Dunning Collection.   And attractive grouping of gray plated crystals some of which are fishtailed twins.  Crystals are up to 3 cm in length and the entire group measures 8 x 6 x 5 cm.  There are secondary growths of tiny are gypsums.  Appears damage free and very clean even around the edges.  An outstanding example of this, material.  $35








OKH-626    Rhodochrosite    Santa Eulalia, Mexico.  Ex.  Paul and Dawne Dunning Collection.    This example measures 3.6 x 3 x 1.2 cm.  It is of the typical medium pink color and a dark brown matrix.  There is no damage to the specimen.  $85








OKH-686    Ludlamite    Mina San Autonio, Santa Eulalia, Chihuahua, Mexico.  Ex.  Paul and Dawne Dunning Collection.  A rich green example of this difficult to find material.  This one is a wheat sheath grouping of crystals to a cm each.  1.4 x 1 x .7 cm.  No damage.  Double terminated floater!  Small sulfide crystals on some surfaces (not at all distracting) and a tiny piece of calcite/quartz? Matrix with no points of attachment.  There is a small post section glued to back that could be removed.  Very respectable example!  $190








OKH-676    Danburite    Characas, San Luis Potosi, Mexico.  Ex. Dr. Steve Chamberlain Collection, circ. 1993.   An old specimen with fine luster and form.  Chlorite inclusions throughout.  6.5 x 5.5 x 3.5 cm overall.  Very tip of largest crystal shows crude form, possible damage.  Tough to tell even with 10x so it doesn’t distract from the aesthetics of this fine, older piece.  $90








OKH-411     Wulfenite     Los Lomentos, Chihuahua, Mexico.  A stunning TN specimen measuring in at 3.3 x 2 x 1.8 cm.  The bright orange crystal is damage free and 1 cm on edge.  Excellent views.  Aesthetic.  $235









OKI-592    Epidote    Baja California, Mexico.  Ex. Dr. Steve Chamberlain collection.  Prev. Ron Bentley collection.  A fine, lustrous grouping of several tightly grouped, tabular epidote crystals measuring 3.5 x 1.5 x .6 cm.  The piece is translucent an a typical vibrant green color.  All crystals nicely terminated and damage free.  70$








OKI-688    Fluorite     Naica, Chihuahua, Mexico.  Ex. Dr. Steve Chamberlain Collection.  These complex octahedrons with their multitudes of modifications are truly things of beauty.  This piece is composed of several interlocking partial crystals measuring 3.9 x 3.5 x 2.7 cm.  It is mostly clear and gemmy throughout with a minor core of both green and purple.  No damage.  75$








OKI-540    Mimetite    Santa Eulalia, Chihuahua, Mexico.  Ex. Dr. Steve Chamberlain Collection.  A lustrous spray of stocky crystals measuring 1.8 x 1.5 x 1.1 cm.  The crystals form a diverging spray which is quite aesthetic.  No damage.  Very nice mimetite!   45$








OKI-541    Vanadinite    San Antonio Mine,  Santa Eulalia, Chihuahua, Mexico.  Ex. Dr. Steve Chamberlain Collection.  A pair of slender crystals measuring 2.3 and 2.4 cm each.  Both damage free floaters.  60$ for the pair








OKI-560    Vanadinite    San Carlos, Chihuahua, Mexico.  Ex. Dr. Steve Chamberlain Collection.  An attractive and complex crystal of an unusual peach color.  The crystal is hollow and well developed.  This single crystal is damage free, quite translucent and measures 2.4 x .6 x .5 cm overall.  Double terminated.  Tiny chip to base termination is visible with magnification.  Nice.  32$







OKI-545     Fluorapatite    Cerro del Mercado Mine, Durango, Mexico.  Ex. Dr. Steve Chamberlain Collection.  A fine gem measuring 2 x 1.8 x 1.3 cm overall.  Exceptionally gemmy with few internal flaws.  A couple micro chips.  A nice, displayable matrix specimen.  Matrix is crystallized…tourmaline???   38$








OKI-609    Vanadinite    San Carlos, Chihuahua, Mexico.  Ex. Dr. Steve Chamberlain Collection.  Brownish red barrel shaped vanadinites on calcite matrix.  The piece measures 2.6 x 2.2 x 1.4 cm and has no damage.  Two of the vanadinites are partially coated by crystallized, clear calcite.  Very attractive and desirable.  48$







OKI-607     Polybasite    Mina del las Rayas, Guanajuato, Mexico.  Ex. Dr. Steve Chamberlain Collection.  A nice liear cluster of well formed metallic, tabular crystals measuring 1.8 cm in length.  The crystals have a frosted texture and are damage free.  I see no points of attachment.  38$








OKI-613    Austinite    Ojuela Mine, Mapimi, Durango, Mexico.  Ex. Dr. Steve Chamberlain Collection.  This 2.5 x 1.7 x 1.7 cm example is a brown gossen matrix with a druze of medium green austite crystals coating much of one side.  An exceedingly rare thing to find, even in old, recycled collections.  No damage.  40$         







OKI-614, Front




OKI-614    Paratacamite     Santa Rosalita, Boleo, Baja California, Mexico.  Ex. Dr. Steve Chamberlain Collection.  Another rarity…this copper replacement appears as a green coating of micro crystals on one side of a small nodule measuring 1.7 x 1 x 1 cm overall.  A very unusual find!  38$









Back view

OKI-553     Buergerite    Mexquitic, San Luis Potosi, Mexico.  Ex. Dr. Steve Chamberlain Collection.  This 2.6 x 2 x 1.5 cm specimen has two nice crystals to 17 cm each.  They are well formed and opaque with high lusters.  Minor crystal contacts on backsides of crystals.  Frontal views are damage free and appealing.  Crystals are embedded in what appears to be a salmon colored chert.  85$








OKI-542    Wulfenite    Sierra de los Lamentos, Chihuahua, Mexico.  Ex. Dr. Steve Chamberlain Collection, prev. Dr. George Robinson and exhibited at Burlington show, 2000.  A simply huge crystal which measures 3 cm on edge or 3.6 cm diagonally.  What is here is complete with only two very tiny chips (less than a millimeter each) on the back.  Amazing impact for a TN specimen.  From one of the most important North American mineralogical discoveries ever, written about in numerous books and periodicals.  An important specimen in need of a place in a top TN collection.    550$


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