Illinois Mineral Specimen

 

 

OKF-182

OKF-182    Fluorite    Rosiclare, Hardin County, Illinois.  Ex. Nancy Collins collection.  A floater cluster with part of one crystal missing.  Cubes to 2.2 cm each with the largest having a small corner ding and a couple other chips.  Even with this the specimen is in good condition overall and is a light purple color with very light purple phantoms.  The piece measures 5.5 x 3.5 x 3 cm.  A good value at     $45

 

 

 

 

 

OKF-191

Damaged crystal closeup

Back

OKF-191    Fluorite    Denton mine, Illinois.  Ex Jay Walter collection.  This beautiful specimen measures 9 x 5 x 6.5 cm and is composed primarily of purple cubes with some minor yellow undertones.  If you tiny chalcopyrites are present also.  The cubes are up to 3.7 cm on edge and only one has some damage which is not distracting.  The backside of the specimen is also crystallized by much smaller crystals.  The piece is fully formed on all sides except for the base on which it sits beautifully for display.  The faces of the cubes are hoppered in the luster is outstanding an excellent display piece.  $325

 

 

 

 

OKF-144

OKF-144    Fluorite    Minerva #1 Mine, Harden Co. Illinois .  Ex. Nancy Collins Collection.  Several light blue fluorites to 1.6 cm on edge form a cluster measuring 2.7 x 2.7 x 1.9 cm in size.  Each cube has a beautiful bright purple phantom within it.  Calcite crystals are present on the backside so the specimen has rehealed on most surfaces.  A killer thumbnail specimen.  Some minor blue fun tack still attached to crystals underside.  $90

 

 

 

 

OKF-136

OKF-136    Fluorite on Sphalerite    Cave-In-Rock, Illinois.  Ex. Greg Kruse Collection.  The crystalline sphalerite matrix has numerous fluorites to 2.4 cm on edge each.  Most of the crystals are highly hoppered with a very light yellow central core and zoned blue exteriors.  The specimen sits on edge nicely and displays well.  An almost floater specimen which has won contact zone on which the piece sets.  Minor rubs to the base of some sphalerites.  An excellent specimen.  $150

 

 

 

 

OKF-134

OKF-134    Fluorite    Rosiclare Level, Denton Mine, Harris Creek District, Illinois.  Ex. Jim Turek Collection.  This deep purple specimen shows nice zone growth and a hoppered surface development.  There tiny calcites sprinkled here and there on these fine fluorites which measure up to 4 cm on edge.  The entire specimen is 9 x 5.9 x 5.4 cm.  If use nicely from the front and sides and has no damage to these primary crystals all contact is on back and bottom but that is also minimal.  A fine piece of can be displayed in several ways.  A desirable American classic.  $260

 

 

 

 

OKF-127

Casts

OKF-127    Marcasite Casts over Barite with Calcite    Mahoning Mine, Cave-In-Rock, Illinois. Ex. Nancy Collins Collection.  This is an unusual specimen composed of gold colored marcasite which ones coated tabular berry crystals.  The marcasite now forms casts which were once on top of the barite terminations.  The opposite side of the piece is coated by micro calcite crystals.  The specimen is a damage free floater which measures 4.7 x 5.3 cm and is approx. 1.7 cm thick.  60$

 

 

 

 

 

OKF-030

Nice phantoms

OKF-030    Fluorite      Denton Mine, Harden Co., Illinois.   What an impressive mineral specimen!  The primary cube measures an impressive 10.1 cm on edge.  It is gemmy with a rich yellow interior and a wonderful purple phantom.  Hoppered growth is attractive and interesting.  Displays well.  One corner cleave.  10.2 x 7.2 x 6.5 cm.  If you can live with the tiny corner being missing you can get this one at 1/3rd the price it would be at if totally damage free.  650$

 

 

 

 

OKF-044

OKF-044    Fluorite   Rosiclare Level, Denton Mine, Ozark- Mahoning Company, Harris District, Southern Illinois.  Mined March. 1993.  Light blue fluorite cubes to .9 cm each on a dark sphalerite matrix.  9 x 6 x 4.8 cm.  One primary view is damage free but side and back of piece have damaged crystals even though they do view nicely.  Hoppered crystals have excellent luster and a desirable color.  A deal at… 100$

 

 

 

 

 

 

OKF-039

OKE-039    Fluorite   Rosiclare Level, Denton Mine, Ozark- Mahoning Company, Harris District, Southern Illinois.  Mined August. 1993.  Yellow crystals of the highest luster with purple phantoms.  6.7 x 6.2 x 3.7 cm with crystals to 3.1 cm on edge.  On crystal corner chip, minor and not visible.  Backside is partially crystallized and regrown.  Larger corner chip that is visible.  Very nice specimen dispite the minor damage.  95$

 

 

 

 

 

 

OKF-027

OKF-027    Fluorite   Bethel Level, Annabel Lee Mine, Illinois    Ex. Jim Turek Collection.  Big damage free yellow cubes to 4.6 cm on edge.  The display of these crystals is excellent.   They gave sulfide inclusions on the uppermost layer of each crystal making them look somewhat duller than they are.  9.5 x 7.3 x 4.9 cm.  An excellent US classic in a desirable color.  195$

 

 

 

 

OKE-0001

OKE-0001    Witherite    Mahoning #7 Mine, Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection #6634, Prev. Dr. George Robinson Collection #1339.  This fine miniature is composed of approximately five, double terminated, white, medium luster, translucent, pseudohexagonal twinned witherite crystals to 2.8 cm each.  They are lightly attached to one another in a diverging group which views quite nicely from any direction.  The cluster sits upright on its own and displays well.  This piece fluoresces a bright white in S.W.  U.V. and is phosphorescent, as well.  The dimensions are 4.4 x 4 x 3.6 cm.  It is damage free and a superb example of this rare carbonate mineral from Cave-In-Rock, IL.  295$

 

 

 

 

 

OKE-0002

OKE-0002    Witherite on Fluorite    Mahoning #4 Mine, Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection #6634.  This outstanding small cabinet specimen is composed of a thickly stacked tabular witherite crystal which is yellow in color, high in luster and translucent.  The pseudohexagonal twinned witherite is firmly embedded on an etched fluorite which is a light purple color.  Only one complete face remains to the fluorite while all others have the typical etched appearance often seen from this location. The specimen sits upright on its own and displays well.  This piece fluoresces a bright white in S.W.  U.V. and is phosphorescent, as well.  The dimensions are 5.4 x 5.1 x 4.1 cm.  It is damage free, well formed on all sides and stands as an outstanding high luster example of this rare carbonate mineral from Cave-In-Rock, IL.  A very displayable and desirable specimen in all regards.  400$

 

 

 

 

 

 

OKE-0007

OKE-0007    Witherite on Fluorite    Mahoning #7 Mine, Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection #6260.  Prev. Wayne and Dona Leicht.  Prev. Robert Rich collection # 137.  This outstanding small cabinet specimen is composed of double terminated, pseudohexagonal twinned witherite crystals which are white in color, have a medium luster and are very translucent.  They are up to 1.5 cm each and all damage free.  The witherites are firmly embedded on well formed cubes of yellow fluorite.  The witherites are spread out nicely on this colorful matrix and the piece is more aesthetic than most.  There is a very small amount of white barite overgrowths.  The dimensions are 8 x 6 x 2.2 cm.  A piece from the good old days when writing your catalog number on the display face of a fine specimen was acceptable!  This piece fluoresces bright white in S.W.  U.V. and is phosphorescent, as well.  This specimen is an outstanding example of this rare carbonate mineral from Cave-In-Rock, IL.  A very displayable and desirable specimen in all regards.  350$

 

 

 

 

 

OKE-0008

Labels on bottom

OKE-0008    Witherite on Calcite    Mahoning #1 Mine, Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection #6263.  Prev. Neal and Chris Pfaff.  This outstanding small cabinet specimen is composed of single terminated witherite crystals which are white in color, have a medium luster and are very translucent.  The grouping is approximately 10 pseudohexagonal twinned crystals which are in parallel growth on a small section of calcite matrix.  The calcite crystals protruding from this matrix are a very light yellow color and very thin and tapered.  This piece fluoresces a reddish white in S.W.  U.V. and has a very strong phosphoresce, as well.  The witherites are up to 2.8 cm each and the calcites up to 2 cm.  The dimensions are 5.3 x 4.1 x 3.9 cm.  There are a couple tiny rubs on the witherite.  A fine specimen which is more displayable than most.  This specimen is an outstanding example of this rare carbonate mineral from Cave-In-Rock, IL.  A very displayable and desirable specimen in all regards.  295$

 

 

 

 

 

 

OKE-0011

OKE-0011    Witherite on Fluorite    Mahoning #1 Mine, Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection #6296.  This outstanding small cabinet specimen is composed of yellow pseudohexagonal twinned witherite crystals which are very translucent and take the form of a large ball.  It is a very displayable, high luster piece which sits nicely and is damage free.  This piece fluoresces a strong yellow color in S.W.  U.V. has a very strong phosphoresce, as well.  There is one crystal extending out of the primary cluster which has a barrel shaped form to the crystal.  This specimen is an outstanding example of this rare carbonate mineral from Cave-In-Rock, IL.  A very displayable and desirable specimen in all regards.  300$

 

 

 

 

 

 

OKE-403

OKE-403    Witherite    Rosiclare, Harden Co., Illinois.  Ex. Nancy Collins Collection.  Superbly formed, double terminated crystal with one point of attachment on back lower section.  The crystal is clear with a light white tint.  Luster is good but less than noticeable to the high degree of surface striations.  An excellent specimen measuring 3.2 cm.  185$

 

 

 

 

 

OKD-842

OKD-842    Strontianite on Fluorite      Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection.  A nice porcupine of strontianite needles on purple and yellow fluorite.  Only the strontianite shows when displayed.  6 x 4.2 x 3 cm.  There is one small spot void of strontianite on backside edge.  Nice large displayable strontianite.  40$

 

 

 

 

 

OKD-309

Back

OKD-309   Calcite on Fluorite with Strontinite  (Floater)   Cave-In-Rock, Illinois.   Ex. Nancy Collins Collection.   Cute 6.5 x 4 x 2.5 cm piece composed of deep purple/ yellow cubes of fluorite to 2 cm on edge.  Backside is encrusted with dog tooth calcites and tiny sprays of strontianite.  Looks damage free but with magnification shows a couple tiny calcites missing, a couple tiny fluorite dings and a couple regrown areas on the fluorites.  None of these things are easily noticed and they are certainly not detractors from this fine specimen.  Specimen sits solidly on edge for display.  Top quality small cabinet specimen at a fine price.  110$

 

 

 

 

 

OKD-101

OKD-101   Calcite   Cave-In-Rock, Illinois.  Ex. Dr. Steve Chamberlain Collection.   Wonderful sprays of multicolored calcites with fiberous terminations.  A big pice measuring 16 x 9 x 6 cm.  Fully mineralized with the exception of one small 2 x 2 cm section.  Another classic.  90$

 

 

 

 

OKB-605

OKB-605   Calcite on Fluorite   Cave In Rock, Illinois.   Great little miniature in perkey box.  Yellow core within purple partial cube which has regrown surfaces.  Sprinkled with calcites on most sides.  45$

 

 

 

 

 

OKB-603

OKB-603    Fluorite   Rosiclaire, Illinois.   Ex. Dr. Steve Chamberlain Collection.   Wow!  Big cubes to 6 cm on edge sitting in an aesthetic stack on calcite crystal matrix.  Calcites are gray and show only slightly on one side of specimen.  Deep purple color, attractive form and just the right size to this classic.  600$ 

 

 

 

 

 

OKB-604

Hoppered form.

Barites

OKB-604    Fluorite and Barites  Cave In Rock, Illinois.   Ex. Dr. Steve Chamberlain Collection.  Another American classic composed of intergrown cubes (partials) to over 10 cm each.  Sprinkling of barites to about .8 cm each.  Bluish purple color, good luster, hoppered surfaces and minor pyrite coatings.  Also, pyrite inclusions.  Great piece.  195$

 

 

 

 

 

OKB-578

OKB-578    Calcite   Annabelle Lee Mine, Cave In Rock, Illinois.   Ex. Dr. Steve Chamberlain collection.  Spectacular sprays of calcite from a classic location.  Views equally well from all sides.  165$

 

 

 

 

 

OKB-469

OKB-469   Fluorite   Cave- In- Rock, Illinois.   Light purple cubes to 2 cm on edge coat two sides of this partial dome.  Minor overgrowths.  Nice condition, form and can be viewed a couple of different ways.  12 x 7 x 7 cm overall.   70$

 

 

 

 

 

OKB-473

OKB-473    Fluorite, Calcite   Cave- In- Rock, Illinois.    Big fluorite plate (15 x 11 cm) with cubes to over 3 cm on edge.  Mix of shades with some tiny calcite crystals here and there.  78$

 

 

 

 

 

CC0092

Cave in Rocks barites to 2.5 cm each on purple fluorite. 42$

CC0088

Killer Annabelle Lee Mine calcite. 125$

Branching calcites to 5.5 cm each.

Super Cave In Rock calcite.

CCM015

Crystals to 2.4 cm with phantoms, regrown on backside. Tiny ding on one crystals corner. 25$

CCM002

Several nice fluorites to over 3 cm on edge with minor pyrite. Nice phantoms, too. 25$

OKA-625 Fluorite Tri State Area. Clear crystals with very minor milky tint make up this 9 x 4 cm stack. Cubes are up to 1.3 cm on edge and many show bruises. 15$

OKB-019

OKB-019 Witherite Cave-In-Rock District, Minerva #1 Mine, Illinois. This nice cyclic twin was found in the 1960's. It is a single, large 4 x 4 x 3 cm, translucent crystal. Fair form with only 3 sides being well developed (typical for this material). The color is a light milky white with a very slight greenish tint. Very good example of this less common mineral. 30$

 

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