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April 2008 Update
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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
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OKF-192 Natrolite and Rhodochrosite De-Mix Quarry, Mt. St-Hilaire, Québec Canada. Ex Dr. Steve Chamberlain collection. This specimen is an impressive miniature which measures 4.1 x 3.5 x 2.8 cm. There are several other species besides the primary minerals but what makes this piece great is all the double terminated natrolite crystals. They are up to 3 cm each with beautifully formed in luster is terminations. The prism faces have more of a silky luster. The rhodochrosites range from micro to .7 cm each. There is a large crystal contact on one of the natrolite crystals in some minor Styrofoam on the back of the specimen. An excellent example of this species for this location. $200
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OKF-193 Grossular RESERVED Manville mine, Asbestos, Québec, Canada. Ex Nancy Collins collection. The aesthetics of this piece speak for themselves. It measures 4.2 x 3 cm and is approximately 1.5 cm in thickness. The garnets are up to 1 cm in diameter and totally gemmy. They are spread out nicely on the white matrix making this a very desirable specimen. There is no mineralization on the backside of the specimen. A top quality damage free display piece $175
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OKF-195 Calcite and Fluorite La Collada, Asturias, Spain. Ex Bob Borofsky collection. This beautiful combination of minerals is 6.5 x 6 x 6.3 cm in size. It displays beautifully from the front but the sides show some damage to the tips of the calcites. The fluorites are especially gemmy weed very light purple phantoms. The calcites range from white, to light yellow, to clear. The fluorites are very complex and form and both minerals are exceptionally lustrous. The frontal view of this piece is a publication quality. An exceptional piece but locale. $675
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OKF-201 Prehnite with Tourmaline Inclusions Bendoukou, Sandare District, Kayes Region, Mali, Africa. This gorgeous primate is exceptionally unusual for the location. He shows two generations of growth with the first being composed of prehnite balls to 3.5 cm each which are coated by prehnite in parallel growth, platy crystals. Both generations are exceptionally transparent showing the needlelike inclusions of black tourmaline. This specimen is damage free and measures 6.7 x 5.2 x 4.5 cm it sits beautifully for display. It is mineralized and damage free at all sides. There is minor yellow staining on the farthest back regions of the cluster. This is an exceptional display piece with outstanding aesthetics and a very reasonable price. $180
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OKF-202 Magnetite Faraday Mine, Bancroft, Ontario, Canada. Ex Dr. Steve Chamberlain collection. This is a wonderful miniature that is near to impossible to find on today's mineral market. To well formed octahedrons make up the primary body of the crystal. There is a brown accessory mineral in small crystals around the perimeter of the piece. I am unsure of what this mineral is. The magnetite's major up to 2 cm on edge and the entire piece is 4.1 x 2.5 x 2.6 cm. There is one corner of the magnetite which is dinged otherwise it is damage free. An excellent specimen from a desirable location. $95
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OKF-203 Rhodochrosite on Marcasite Oppu Mine, Aomoriken, Honshu Prov., Japan. Ex Nancy Collins collection. Specimens don't get much more desirable than this one. The piece measures 9.4 x 6.5 x 4.7 cm and is almost entirely solid pyrite. On the pyrite are mounds of low luster pink rhodochrosite. Much of the lower sections of the specimen, its base, are also mineralized. One small chip a pirate is missing it is certainly not distracting to any of its views. This piece sits in displays wonderfully. An important piece from a desirable location. Price on request.
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OKF-204 Jamesonite May’s Mine, Fort Wayne, Indiana. Ex Nancy Collins collection. As can be seen in the photographs this jamesonite a cluster is composed of bright, acicular crystals to over 3 cm each. The entire specimen measures 3.3 x 3.5 x 2.5 cm and there are minor quite quartz crystals within the mix. The crystals have crude, fibrous terminations. An excellent minerals specimen from an unusual location. $180
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OKF-205 Sphalerite, Quartz, Siderite and Dolomite La Troja, San Sabashhan, Spain. Ex Bob Borofsky collection. This is probably the nicest combination piece from this location which I purchased from Bob. It is a complete floater grouping which measures overrates centimeters in length 5 cm in height and is a little over 3 cm thick. It has 100% coverage of all the fore mentioned minerals in crystals up to .8 cm in diameter. This is a very flashy specimen due to the crisp gemmy sphalerites which are the primary mineral. The specimen stands on edge for display. You'd have a hard time finding the nicer piece from this location at any price. $350
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OKF-206 Titanite Twins on Albite and Epidote Minas Gerias, Brazil. A very displayable grouping of gem titanite crystals to .9 cm on edge with albites to 1.7 cm. I'll crystals are well formed and attractive. One titanite on the edge of the piece, near the top, is broken off. 9.5 x 5.1 x 1.7 cm. A few of the albites are somewhat dirty looking but generally this is an attractive specimen. $150
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OKF-207 Calcite in Copper Quincy Mine, Keweenaw Peninsula, Michigan. Ex Nancy Collins collection. This is a world-class specimen which I have recently reacquired. It is composed of stacks of gemmy double terminated calcites to 8 cm each. They are included would bright metallic copper and have highly lustrous striated faces. The entire piece measures 9.5 x 9 x 4.8 cm. The external copper crystals in this specimen range from brown to green in their patina. Approximately 20% of the back of the specimen has a thin druze of tiny double terminated quartz crystals. The only contact this specimen has with any matrix is where a small calcite group within the primary copper mass was once attached. This specimen is damage free, and otherwise a floater. The desirable size, exceptional quality, great aesthetics and rarity of this specimen make it an important piece. A classic American mineral from a premier location. Price on request.
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OKF-208 Stilbite on Apophyllite Poona, India. This exceptional display specimen sports a 8.2 cm stilbite bowtie amongst numerous terminated clear apophyllites. Several of the apophyllites have damage but it is all on the backside of the piece. This specimen couldn't display much better from the front or the sides. 8 x 7 x 5.1 cm. This price is a giveaway for piece with this kind of aesthetic appeal. $55
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OKF-209 Chrysocolla with Quartz RESERVED Ray mine, Penal County, Arizona. Ex Nancy Collins collection. This is one of the rare finds which is written about in a chapter of the new book, “American Mineral Treasures”.This piece is a beautiful robin's egg blue color and composed of approximately 6 stalactites up to 2.2 set maters in length. The piece measures 2.8 x 2.4 x 1.3 cm overall. The course of the stalactites are made up of blue crysicolla and their surfaces are coating of clear quartz. Zero damage. Exceptionally attractive and desirable thumbnail specimen. $140
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OKF-210 Goshenite Baha, Braldu Valley, Baltistan, N.A. Pakistan. This is another specimen which I have gladly reacquired from a customer selling off some of his collection this wonderful etched specimen measures 4.5 x 2.4 by 1.8 cm. The crystal has retained its hexagonal shape but it's surfaces entirely etched. It is doubly terminated and stands on end for display. Zero damage. A highly desirable and aesthetic piece. $345
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OKF-211 Legrandite Ojda Mine, Mapimi, Drango, Mexico. Ex Nancy Collins collection. This is an outstanding crystallized specimen of this rare mineral. The piece is a competitive great thumbnail with three legrandite crystals which measure 1.9, 2.0, and 1 cm respectively. A very displayable piece which is much better in person. The crystals are beautifully formed and one stands up on end well-off the matrix. The crystals are typical brownish yellow, translucent and a high luster. Very clean and damage free specimen which would be a great addition to any serious thumbnail collection. $1000
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OKF-212 Vesuvianite Jeffrey mine, Asbestos, Québec, Canada. Ex Dr. Steve Chamberlain collection. This specimen is one of the best pieces adductor Chamberlain found on is collecting trips in the late 1970s. This piece is composed of two large crystals in close contact. One crystal measures 4.5 cm and the second one which crosses it measures 3.0 cm. The crystals are in gemmy in areas, especially their surfaces and well terminated. The base of this piece is well is all other surfaces have regrown crystal faces. An outstanding display specimen from this locale . $350
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OKF-213 Amethyst Scepters Denny Mountain, King Co. Washington. Ex Nancy Collins collection. This is one of the rare finds which is written about in a chapter of the new book, “American Mineral Treasures”. Some of these outstanding specimens were also on display at this year's, 2008, Tucson gem and mineral show. It is extremely rare to see any of these for-sale in fact is one of the few I have ever seen. It came to me as part of a collection which was built in the 1950s and 60s. This piece is an absolute killer with the primary show been put on by three beautifully formed scepters with deep purple caps. The stems are lustrous smoky quartz. The piece itself beautifully for display and really draws your eye to it. The caps to the crystals have tiny skeletal growth zones. The edges of the base of the piece at peripheral breakage from where was removed from its host rock. This said, it is outstanding damage free small cabinet specimen. The piece measures 5.2 cm in height is 4.2 cm wide and 3.4 cm deep. This is a rare a beautiful specimen and this is your opportunity to add to your collection. $950
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OKF-214 Uvite on Magnesite Burmudo, Bahia, South America. Within the center of these clear magnesite crystals can be seen a 1.1 cm, heart-shaped, translucent tourmaline. A wonderful display piece which sits on edge. The magnesite sera to 1.2 cm on edge each. The attractive example of material which was once relatively common. $190
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OKF-215 Calcite RESERVED Charcas Mine, San Luis Potosi, Mexico. Ex Nancy Collins collection. A beautiful grouping of tabular calcite crystals which reach 3.2 cm in diameter. Most of them are in peril low growth creating a beautiful visual effect. The piece stands on end and displays wonderfully from every side. The specimens only contact is a small flattened area that is the base on which it stands. They don't get much more attractive than this 5 x 4.6 x 3.8 cm cluster. An outstanding display piece which is totally damage free for $95
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OKF-216 Ferroaxinite Polar Urals, Russia. An attractive transparent crystal grouping whose primary crystal measures 4.9 cm. Minor contact to one crystal on the back of the specimen otherwise a floater. The crystals on its backside allow the piece to be propped up for display almost like a stand would. A couple micro chatter marks on some edges otherwise damage free. These crystals are so sharp you can literally shaped with them. $130
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OKF-217 Pyrpmorphite Ussels, France. Ex Nancy Collins collection. A high luster, damage free specimen from a classic European location. This piece measures 3.4 x 2.2 x 2.1 cm and is an exquisite thumbnail specimen is a beautiful apple green color and very clean for material from this locale. The piece is damage free and displays great from every view. $290
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OKF-218 Pyrite Huanzala, Peru. Ex Dr. Steve Chamberlain collection. Although specimens from this location are common, beautiful floater groupings such as this are not. There are no contact marks and only a couple small dings on the superb specimen. The piece measures 8.7 x 4.7 x 3 .6 cm. The cubes are highly striated with a few showing minor modifications by octahedrons and dodecahedrons. A top display cluster which would add flash to any collection. $195
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OKF-219 Smithsonite Tsumeb, S. W. Africa. Ex Nancy Collins collection. Previously a Prosper Williams piece(with tag). A perfect little dome of translucent brown smithsonite crystals to over a centimeter each. The back of the specimen has the crystals all intergrown whereas the front displays some matrix showing through and better crystal separation. The piece its wonderfully, has no damage, displays great luster, and is composed of large, well shaped, striated crystals. An exceptional Tsumeb specimen. $340
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OKF-220 Hemimorphite from a small unnamed prospect, Malipo, Wenshan, Yunnan Prov., China. Ex Michael Walter collection. This large plate of hemimorphite is well mineralized on both sides. There is some minor staining and very minor scuff marks but overall this is a superior specimen which had been in my Chinese suite for many years. It measures 12.1 x 9 cm and averages approximately 3 cm thick. This piece is far better than most of the material that has come from this find over the years. $390
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OKF-221 Rhodochrosite Casts Stratoni, Greece. Ex Nancy Collins collection. The rhodochrosite crystals which make up this specimen are intergrown and in epitactic overgrowth on an unknown species of crystal. I would assume these were originally dolomite, perhaps siderite crystals of very large size. Maybe they were even rhodochrosites and the rhodochrosite remaining is a second generation. Whatever the case it is made for a very displayable cabinet size specimen of an uncommon mineral from a rare location in an unusual form. There is minor pyrite and tiny double terminated quartz crystals mixed within the specimen’s matrix. This is simply an outstanding specimen, perhaps the best one I've ever owned from any location. It has so many things going for it that it is almost difficult to describe. The cast reach 4.3 cm on edge and are up to 3 cm deep. They stand up well off the matrix which is also fully crystallized on its backside, but does not have the large rhodo casts seen on the front. There is no damage whatsoever to the stellar piece which displays beautifully the specimen is far better in person and not as fragile as it looks. I do not have the astronomical price which one might expect to be associated with piece of this magnitude. He would absolutely be a five figure specimen with another dealer. I would prefer to have it in the collection of someone who takes their rhodochrosite specimens seriously. This somewhat rectangular shape piece measures 10.6 x 8.1 x 6 cm overall. Give me a call and we will talk about how to get the specimen to your collection. Price on request
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