Colorado Mineral Specimens For Sale

 

    

                                 Rhodochrosite                                                                Barite                                                           Rhodochrosite

 

Colorado is important for many of its historic mining operations that produced fine mineral specimens for collectors.  Equally important are contemporary finds and commercial mining operations.  Together, minerals owing their origins to past or present collecting efforts in Colorado rate among some of the finest from anywhere in North America.

 

 

 

OKP-199

OKP-199    Barite and Silver    Creede, Colorado.  Ex. John Davis Collection.  Several vugs can bef found on this 8 x 7.4 x 4 cm silver bearing rock.  The opening photographed has barites with silver masses.  Only one small group of silver wires... but they are there and in nice condition.  TThis is a good example of classic material from the mines of Colorado.  $50

 

 

 

 

 

OKO-380

OKO-380       Rhodochrosite, Calcite, Pyrite    American Tunnel, Silverton, Colorado.  Ex. Paul and Dawne Dunning collection.  Bright pink rhodos with interesting clear clacites and minor pyrite.  2 x 1.6 x 1.2 cm.  Great condition and better than most thumbnail sized examples I have seen from this find.  Mounted in a perky box.   $60

 

 

 

 

OKO-384

OKO-384      Uralite (talc pseudomorph after diopside)    Salida, Colorado.  Ex. Paul and Dawne Dunning collection.  An attractive cluster of crystal with some white calcite.  2.8 x 1.8 x 1.5 cm.  No damage.  $30

 

 

 

 

 

OKO-381

OKO-381     Molybdenite     Climax County, Colorado.  Ex. Paul and Dawne Dunning collection.  A crudely formed grouping of crystal measuring 2.8 x 2.3 x 1.8 cm.  Views well and damage free from any direction.  A fine example of this material.  $60

 

 

 

 

 

OKM-217

OKM-217       Barite       Muddy Creek, Rio Grande County, Colorado.  Ex Harold L. Dibble collection.  Big blue barites to almost 6 cm each form this cluster.  Most are doubly terminated, show moderate luster and decent form.  A couple crystals are showing small cleaves on the back of the the specimen otherwise a floater that is in excellent condition. Many of the crystals show ends of a lighter tan color.  The bodies of the crystals are a light blue.  11.2 x 8.5 x 6 cm.  $195

 

 

 

 

 

OKN-869

OKN-869    Barite     Eagle Mine, Gilman, Colorado.  Ex. Nancy Collins collection.  A 5.1 x 4.4 x 1.8 cm triangular shaped plate with crystals to well over a cm each (actually 1.3 cm).  The largest crystals are very gemmy and a beautiful amber color.  The form and luster of these crystals is also excellent.  The mineralization wraps around from the front onto the back.  No damage, but the edges were in contact with matrix except for the nice top edge that also has the nicest crystals.  Excellent example of this classic Colorado material.  $60

 

 

 

 

OKO-515

OKO-515     Quartz    Ouray, Colorado.  Ex. Paul and Dawne Dunning collection.  A fine example of this well recognized material from Colorado.  It measures 9.1 x 5.6 x 5.6 cm.  It is composed of small secondary growth crystals on a large, single, primary growth quartz crystal.  It has a sugary texture and bright white color.  The luster is very nice and there are some tiny crystals broken off as is always the case with any of these I have ever seen.  Overall, it is in nice condition and very display worthy.  It sits nicely on end for display.  $50

 

 

 

 

 

OKO-185

OKO-185    Barite    Raymer, Colorado.  Ex. Dr. Steve Chamberlain collection.  Bright blue, transparent, damage free crystal with beautiful, complete form.  Nicely mounted in a perky box.  Great display piece with fine characteristics, all around.  $40

 

 

 

 

OKN-602

OKN-602     Pyrite    Eagle Mine, Gilman, Colorado.  Ex. Paul and Dawne Dunning collection.  A beautiful single crystal with one tiny chip, or contact, and minor abrasions.  A good example measuring 2.5 x 2.4 x 2.3 cm.  $30

 

 

 

 

 

OKN-662

OKN-662    Sphalerite    Commodore Mine, Creede, Colorado.  Ex. Jim Turek collection.  A nice face showing lots of crystals with variety in form.  Many are twinned.  As can be seen some are very translucent and yellow while most are darker.  All have great luster.  6.1 x 4.8 x 3.3 cm.  Classic location.  $40

 

 

 

 

 

 

Rhodo 2

Too pink... actually more red in color.

Too pink... actually red in color.

Rhodo 2      Rhodochrosite    Sweet Home Mine, Alma County, Colorado.  Ex. Nancy Collins collection.  Prev. Collector's Edge specimen.  13.5 cm wide, 12.3 cm high and 5.5 cm thick.  Sawn flat on base but natural broken rock on backside.  This is an early Collector's Edge specimen before they began using diamond chainsaws for specimen extraction.  Nice red, transparent to translucent crystals to 1.3 cm on edge each.  Large, robust and comes on a custom engraved acrylic base as seen in the photographs.  Excellent condition with only minor edge breakage as seen.  $3,500

 

 

 

 

 

OKN-541

OKN-541    Calcite   Otero County, Colorado.  A curved (distorted) honey yellow, transparent crystal measuring 2.8 x 1.2 x .6 cm.  Attachment on one end an a tiny bit of Styrofoam.  No damage.  Unusual.  $35

 

 

 

 

 

 

OKN-542

OKN-542    Sphalerite    Creede, Mineral County, Colorado.  A cluster of yellow and amber colored crystals measuring 2.4 x 2 x 1.8 cm overall.  Nodamage but there is contact along one side.  $40

 

 

 

 

 

 

OKN-537    Calcite   Otero County, Colorado.  A curved (distorted) honey yellow, transparent crystal measuring 3.5 x 1.2 x 1 cm.  Attachment on one end is complete and other end very minor.  No damage.  Unusual.  $25

 

 

 

 

 

 

OKN-388

OKN-388    Pyrite     Eagle Mine, Gilman, Colorado.  Ex. Dr. Steve Chamberlain collection, circ. 1962.  A nice crystal with no damage and strong backside contact.  Glue and Styrofoam from being once mounted in a perky box.  3.8 x 3 x 2.4 cm.  $20

 

 

 

 

 

 

OKN-952

OKN-952     Barite     Muddy Creek, Rio Grande Co., Colorado.  Ex. Harold L. Dibble collection.  6.5 x 5.5 x 5.2 cm with large crystals to over 3 cm each.  These are usually white but sometimes blue are found.  There are broken crystals and nice complete ones here making this reasonably priced for what it is.  $175

 

 

 

 

 

 

OKN-342

OKN-342     Fluorite    Mt. Antero, Colorado.  Ex. Harold L. Dibble collection.  Etched and frosted octahedrons showing green with blue cores.  7.5 x 6.6 x 5 cm.  Good piece for the location.  $80

 

 

 

 

 

OKN-987

OKN-987     Manganocalcite     Silverton, Colorado.  Ex. Harold L. Dibble collection.  A large plate of large medium pink crystals to several cm each.  It measures approx. 12 cm on each side of the equilateral triangle and is 6.5 cm thick.  One area has several cleaved points, still a nice specimen for the location.  $250

 

 

 

 

 

 

OKN-421

OKN-421     Quartz     Crystal Peak, Colorado.  Ex. Harold L. Dibble collection.  This is an aesthetic Colorado quartz with smoky and very gemmy, high luster crystals.  Minor feldspar (white).  The cluster has a nice balance and the crystals diverge in an attractive manner.  Excellent condition.  A very fine miniature.  4.9 x 4 x 2.3 cm.  Flat base and back with edge contacts.  Front displays nicely.  Crystals are exceptionally nice.    $75

 

 

 

 

 

OKN-423

OKN-423      Barite    Muddy Creek, Tributary of Crater Creek, Rio Grande County, Colorado.  Ex. Harold L. Dibble collection.  Nice diamond shaped, stocky, translucent crystals of white/ gray color on matrix.  In perfect condition.  5.1 x 3 x 2.7 cm overall with largest crystal being just shy of 3 cm.  Unusual location.  Great example.  $150

 

 

 

 

 

 

OKN-183

OKN-183      Barite     Muddy Creek, Summitville, Rio Grande County, Colorado.  Matrix piece with diamond shaped barites to 1.2 cm on edge.  7.3 x 4.8 x 4.5 cm.  No damage.   $40

 

 

 

 

 

OKM-747

OKM-747     Gypsum      Canyon City, Colorado.  Ex. Nancy Collins collection.  A transparent, disc shaped crystal measuring 3 x 3.4 x 2 cm.  One smaller interpenetrating rider crystal.  No damage floater.  Mounted in a perky box.     $30

 

 

 

 

 

OKJ-813

OKJ-813     Amazonite    Florissant, Colorado.  An attractive light blue Carlsbad twin measuring 2.3 x 2 x 1.8 cm overall.  The crystal is translucent, lustrous and damage free.  Mounted in a perky box.  $30

 

 

 

 

 

OKL-603

OKL-603    Galena, Sphalerite, Quartz     Commodore Mine, Creede Mineral Co., Colorado.  This specimen shows sphalerite in twinned crystals on quartz.  The piece is attractive with a moderate luster and interesting crystal congregation along one side.  The sphalerite ranges from the typical steel gray color and opaque to a yellow color and translucent.  8 x 5.5 x 3.2 cm.  Edge contacts but no damage.   $75

 

 

 

 

 

 

OKJ-869

OKJ-869    Fluorite    Grand Junction, Mesa, Colorado.  Ex Paul and Dawn Dunning Collection.  Excellent bright green plate of crystals with small quartz crystals on the peaks of some of the octahedrons.  Nice contrasts.  3.1 x 2.3 x 1.2 cm.  Mounted in a perky box.  No damage and attractive in all regards.  $60

 

 

 

 

 

 

OKK-111

OKK-111     Pyrite     Eagle Mine, Gilman, Colorado.  Ex. Paul and Dawne Dunning collection.  2.4 x 1.7 x 1.5 cm group with several contacts and chips as seen in the images.  Still a nice representative specimen.  $15

 

 

 

 

 

 

OKK-112

OKK-112     Pyrite     Eagle Mine, Gilman, Colorado.  Ex. Paul and Dawne Dunning collection.  A 2.4 x 2.1 x 1.7 cm group of cubes of complex form.  Nice condition but minor edge chipping is evident with aid of magnification.  Good quality overall for this material.  $25

 

 

 

 

 

 

OKK-113

OKK-113     Pyrite and Fluorite    Eagle Mine, Gilman, Colorado.  Ex. Paul and Dawne Dunning collection.  2.4 x 1.9 x 1.3 cm group with several contacts and chips as seen in the images.  This one has a clear fluorite on its uppermost edge.  A nice representative specimen.  $25

 

 

 

 

 

 

 

OKJ-648

OKJ-648    Zircon    North Cheyenne Canyon, El Paso County, Colorado.  Ex. Dr. Steve Chamberlain collection.  Not large but beautifully formed, damage free, and an interesting locality.  1.4 cm long specimen with a crystal that measures .8 cm on edge.  I think the crystal is reattached to the small piece of matrix.  Mounted in a perky box.  $55

 

 

 

 

 

 

OKJ-855

OKJ-855    Quartz with Chlorite    Colorado.  Ex Paul and Dawn Dunning Collection.  Aesthetic pair of crystals, one nicely double terminated with light green inclusions.  2.5 x 2 x approximately 3 mm thick.  No damage.  Mounted in a perky box.  $20

 

 

 

 

 

 

 

OKJ-120

OKJ-120    Rhodochrosite   Silverton, Colorado.  Ex. Paul and Dawne Dunning collection.  A mass of crystals on the surface of this specimen mixed with sulfides that appear to be pyrite and tetrahedrite.  Measures 2.6 x 2.3 x 2.7 cm, is mineralized on all surfaces, is light pink in color and views equally well from any side. Mounted in a perky box.  No damage.  $150

 

 

 

 

 

 

OKJ-116

OKJ-116     Rhodochrosite and Calcite     Sweet Home Mine, Alma, Colorado.  Ex. Paul and Dawne Dunning collection.  Two tabular rhodos (one may be cleaved) with cram colored blooms of cream colored calcites.  It measures 2.6 x 2.4 x approx. 1.3 cm thick.  I believe it should be mounted with side that is now facing the back as the front of the specimen.  Mounted in a perky box.  No damage on “front” view, one edge contact to a calcite bloom.  $140

 

 

 

 

 

 

OKH-918

OKH-918    Pyrite     State Line Bridge, Colorado.  Ex. Paul and Dawne Dunning Collection.  The specimen is composed of crude to well formed crystals showing octahedral form modified by cubes.  It appears to be a damage free floater (mounted in a perky box) that measures 1.8 x 1.7 x 1.5 cm.  A good thumbnail sized example for the location.  $30

 

 

 

 

 

 

OKH-799

OKH-799    Fluorite with Amazonite.  Lake George, Colorado.  Ex. Paul and Dawne Dunning Collection.  Frosted white cubes with light blue/green amozonite.  Two tiny cleaves, rubs or cube modifications (I can’t be sure even with magnification).  Nice example.  3.5 x 2.1 x 1.8 cm.  Old collection # on backside/ base.  $40

 

 

 

 

 

 

OKH-778

OKH-778    Fluorite    Mt. Antero, Colorado.  Ex. Paul and Dawne Dunning collection.  A grouping of green octahedrons make up this 3 x 2 x 1.8 cm cluster.  Good form, frosted surfaces, fluorescent, no damage.  Certainly not one of the more common species found at the location Circ. 1982.   $125

 

 

 

 

 

 

OKH-944

OKH-944    Fluorite    Amethyst Queen Claims, Mesa Co., Colorado.  Ex. Paul and Dawne Dunning collection.  This is a fine example of material from the mid 1980s.  It is a large plate measuring 10.9 x 7.2 x 2 cm thick.  It stands beautifully on edge displaying a damage free surface coated by green octahedral crystals.  Minor spot is scraped at top right.  $145

 

 

 

 

 

 

OKH-575

OKH-575    Fluorite     Silverton Colorado.  Ex.  Paul and Dawne Dunning Collection.  A good grouping of gemmy crystals with frosted ex interiors.  There form shows extensive stepped growth and they are up to 2.3 cm each.  The plate of crystals majors for by 3.8 cm, is approximately 1.5 cm thick, it is glued into the base of a perky box.  There is minor quartz and pyrite on the back edge of the specimen. Views well from all side.  A good piece from a famous locality.  No damage.  $60

 

 

 

 

 

 

OKH-644

OKH-644    Pyrite    Alice Glory Hole, Fall River, Clear Creek County, Colorado.  Ex.  Paul and Dawne Dunning Collection.  Another unusual pyrite, this one is a partial octahedron extensive octahedral overgrowths.  There is minor dolomite/siderite?  In a couple spots on the crystals surface.  He measures 2.4 cm on edge and is 2.7 x 2.3 x 2.5 cm overall.  Nice luster and in interesting piece.  $65

 

 

 

 

 

 

OKH-683

OKH-683    Rhodochrosite on Quartz   American Tunnel Mine, Silverton Colorado.  Ex.  Paul and Dawne Dunning Collection.  An exceptionally fine quality rhodo for a classic American location.  The color is rich enough and the form clean enough to pass as a Sweethome Mine specimen.  This fine TN specimen measures 3.4 x 3 x 2.2 cm overall with the largest crystal measuring 1.2 cm across or .7 cm on edge.  It does fit in a perky box and is currently glued in place.  Zero damage and very displayable.  $280

COLORADO MINERAL SPECIMENS, PAGE 2

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