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March 2008 Update
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OKF-166 Smithsonite Berg Aukas, S.W. Africa. Ex. Nancy Collins collection. This damage free plate of crystals measures 4 x 3.8 x 1.8 cm. One side is richly coated with a layer of cream colored smithsonite crystals. One tiny yellow smithsonite can be seen sitting in the middle of the plate. An excellent specimen. $75
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OKF-167 Dioptase Tsumeb, S.W. Africa. Ex. Nancy Collins collection. He gemmy 1 cm dioptase crystal sets within a calcite matrix and is impeccably formed, highly lustrous and gemmy with moderate internal inclusions. It sits up high off the matrix and is very displayable. Entire specimen measures 3 x 2 x 2.2 cm. There is minor Styrofoam to be removed from the base of the specimen. $95
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OKF-168 Quartz and Albite Rt. #55 Road Cut, near Windsor, Quebec, Canada. Ex. Dr. Steve Chamberlain collection. Beautiful clear alpine quartz crystals here in combination with albite twins. The albites range from a light milky color to gem clear. This is material from the only documented Canadian alpine deposit. It was discovered during road excavation in 1986. This fine piece is a stalactite with quartz to 2.8 cm in albites to 1.6 cm each. A small chip on one quartz crystal terminations otherwise damage free. 6.5 x 4 by 3 cm. The specimen stands on end for display it is very aesthetic. $120
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OKF-169 Hematite and Quartz Island of Seriphos, Greece. Ex. Dr. Steven Chamberlain collection. The small cabinet sized plate measures 6 x 5 cm and is approximately 2.5 cm thick. The rosettes of hematite are up to 1.8 cm each and spread out nicely on the green quartz matrix. The quartz is included by hedenburgite. A rare find in today's mineral market, especially in an undamaged displayable specimen such as this. $325
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OKF-170 Pyrite Barger Quarry, Lexington, Virginia. Ex. Dr. Steven Chamberlain collection. A 2 cm pyrite of unusual morphology in shale. The primary form is an octahedron with a slight modification by a cube. The curves surfaces and opposing striations must involve some crystal form unfamiliar to me. The pyrite sits up high off the matrix and displays well. 5.3 x 4.5 x 3.3 cm over all. A smaller rider crystal on the backside is broken. And unusual and attractive piece. $95
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OKF-171 Pyrite Barger Quarry, Lexington, Virginia. Ex. Dr. Steven Chamberlain collection. A 2.3 cm primary crystal with several small rider crystals including one that is tabular. The primary form is an octahedron with a slight modification by a cube. The curves surfaces and opposing striations must involve some crystal form unfamiliar to me. There is a small chip to the primary crystal but everything else is in good order 5.8 x 4 x 5.3 cm overall. Unusual, superior and displayable. $130
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OKF-172 Quartz and Chamosite RESERVED Rt. #55 Road Cut, near Windsor, Quebec, Canada. Ex. Dr. Steve Chamberlain collection. Beautiful clear alpine quartz crystals here with minor chamosite inclusions. This is material from the only documented Canadian alpine deposit. It was discovered during road excavation in 1986. Four primary points comprise this specimen. They are attached at their baces and rise in almost parallel form diverging slightly toward their terminations. They are very clear and only one has an extremely tiny tip ding of approximately 1 mm. 6 x 5.2 x 3.8 cm. This piece is a great example from the locale and at a fine price. $70
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OKF-174 Quartz and Chamosite Rt. #55 Road Cut, near Windsor, Quebec, Canada. Ex. Dr. Steve Chamberlain collection. This has a large primary crystal measuring 8.6 cm which is highly included by chamosite. This is material from the only documented Canadian alpine deposit. It was discovered during road excavation in 1986. This is an exceptional piece for the locale because almost all quartz here which has chamosite inclusions is very poorly formed. This one retains good crystal shape and is large. $80
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OKF-175 Hematite Itabira, Minas Gerais, Brazil. Ex. Dr. Steve Chamberlain collection. This large stocking hematite appears cubic in form. It measures 2.5 cm on edge and its surface is highly fractured along one area between crystal faces. The surface appears flaked away. This region is all fully crystallized as is the rest of the specimen. This is a very stable stocky hematite crystal with the highest of luster and is simply bizarre form. A very desirable piece. $295
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OKF-178 Quartz Rt. #55 Road Cut, near Windsor, Quebec, Canada. Ex. Dr. Steve Chamberlain collection. This specimen measures 3.6 cm long and is a beautiful double terminated with several small rider crystals attached. This is material from the only documented Canadian alpine deposit. It was discovered during road excavation in 1986. For the most part it is water clear and has zero damage. $25
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OKF-179 Quartz Rt. #55 Road Cut, near Windsor, Quebec, Canada. Ex. Dr. Steve Chamberlain collection. This piece is a double terminated 4.3 cm long crystal whose second termination as reground. This is material from the only documented Canadian alpine deposit. It was discovered during road excavation in 1986. There are several small rider crystals including one that measures 1.8 cm. An excellent example. $35
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OKF-097 Lazulite Graves Mt., Lincoln County, Georgia. Ex. Dr. Steve Chamberlain collection. Previous John Caswell collection, circa 1890s. An excellent single crystal which has a small chip on one termination and two tiny chips on the opposing termination. Even with these issues factored in this 2.1 cm crystal is an important historic specimen. $180
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OKF-098 Cerussite Mibladen, Morocco. This crystal is an enormous thumbnail measuring 3.5 by 2.9 x 3.5 cm. It just barely fits in the perky box it is a large damage free crystal which is gemmy but heavily included throughout. A very substantial and showy specimen which views equally well from any direction for $100
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OKF-099 Wolframite pseudo after Scheelite Trumbull, Fairfield County, Connecticut. Ex. Dr. Steve Chamberlain collection. Previously in Union College collection. Very unusual pseudomorph from an East Coast location that I am unfamiliar with. The matrix is yellow quartz and the crystal measures 1.7 cm. The specimen is 3.4 x 2.8 x 2 cm. Very clean crystal considering the specimen was broken free from his quartz matrix. $130
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OKF-100 Weloganite Francon Quarry, Montréal, Québec, Canada. Ex. Dr. Steve Chamberlain collection. This large thumbnail plate measures 3.5 x 3.1 cm in this approximately 1.8 cm thick. There approximately 20 small hexagonal weloganites on the surface of the specimen. One is missing and the rest are in great shape and sharply formed. A desirable specimen from a permanently closed location. $150
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OKF-101 Serandite De-Mix Quarry, Mt. St. Hilaire, Montréal, Québec, Canada. Ex. Dr. Steve Chamberlain collection. Previously in the National Canadian Museum collection. This blocky serandite crystal measures 2.2 x 1.7 x 1.3 cm or other minor minerals attached, but the primary crystal is a slightly hollowed salmon colored serantite. $140
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OKF-102 Spessartine Haramosh Mountains,Gilgit, Kashmire, Pakistan. Ex. Dr. Steve Chamberlain collection. This 3.2 x 3 x 1 .2 cm crystal is fully formed highly straight at an its upper surface, while the backside has been sheared away and regrown. A very attractive piece with interesting surface growth features. $100
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OKF-180 Mimetite Pingtouling, Liannan, Guangdong Prov. China. This beautiful specimen measures 5.3 x 3.5 x 2.3 cm has a front face coated by beautifully formed doubly terminated mimetites to 1.2 cm each. The crystals are beautifully formed, damage free and of the high luster expected from this locale. They are on a dark matrix so they blend in somewhat, but they are still very displayable and showy. The specimen sits on edge and displays great. A fine piece. $350
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OKF-181 Cuprite Bisbee, Arizona. Ex. Jim Turek collection. An uncommon specimen for Bisbee this piece measures 6.5 x 5 x 2.8 cm. It contains a primary vug measuring 3 cm which contains cuprite crystals 2.4 cm each. No damage within the openings to any of the crystals. A great example of this rare Bisbee mineral. $400
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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
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OKF-183 Vivianite Siglo, Llallaqua, Bolivia. Ex. Nancy Collins collection. This is a very old specimen (not the new material from the past decade). The crystal measures 5.1 x 1.8 x 1 cm and is transparent. The color is a light grayish blue and a crystal form is rather complex and composed of two crystals and tight parallel growth with the larger of the two having a slight twist. This is not damage as there is no internal stress fracturing there would be evident if it was. The surfaces are glassy smooth and there is no damage whatsoever. A very desirable old-timer. $270
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OKF-184 Datolite on Sphalerite Charcas San Lois, Potasi, Mexico. Ex. Nancy Collins collection. This beauty is also an old-timer with translucent and transparent datolite crystals to over 2 cm each. These crystals have a unique and complex form and a stand on edge well-off the matrix. They are all damage free and attractive the entire piece measures 4.5 x 4 x 3.2 cm. An interesting and showy specimen unlike those produced in more modern times. $125
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OKF-185 Tourmaline Bama de Soliso, Minas Gerais, Brazil. Ex. Nancy Collins collection. The single crystal seen here measures 1.4 cm in length has moderate striations and is totally gem with only one small internal fracture near the termination of the crystal. The piece is an rich indicolite blue color and highly aesthetic. $100
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OKF-186 Smithsonite RESERVED Kelly mine, Magdalena, New Mexico. Ex. Nancy Collins collection. This is a very showy specimen which measures 3.5 x 2 .5 x 2.7 cm there is no damage to the display face in the backside has Styrofoam remnants. The specimen sets on edge several different ways for display. A very aesthetic specimen. $185
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OKF-187 Stilbite and Chabazite Centreville, Fairfax County, Virginia. Ex. Nancy Collins collection. 7.5 x 6 x 4 cm with a 4 cm vug containing yellow stilbite and small tan chabazites. Very displayable specimen which also has mineralization on other sides of the piece. Attractive specimen from an unusual location. $80
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OKF-188 Barite Ojuela Mine, Mapimi, Durango, Mexico. Ex. Nancy Collins collection. This cluster measures 3.2 x 2.5 x 2.5 cm overall and is composed of gemmy, light gold, double terminated crystals to 1.8 cm each. This specimen speaks for itself having the highest of luster and aesthetics. $50
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OKF-189 Chalcotrichite including Calcite Onganja, S.W. Africa. Ex Nancy Collins collection. These nice calcites have extremely unusual surface growth features which may be difficult to see in the photographs. Blood red inclusions add to the dramatics of this piece. 3.3 x 2.6 x 2 cm with the largest calcite being 2.7 cm. $135
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OKF-191 Calcite on Calcite Interior, South Dakota. Ex. Nancy Collins collection. A beautiful calcite on matrix measuring 10.2 x 5.8 x 5.2 cm. The first generation of calcites are large yellow rhombohedrons. This second-generation are clear to white nail head calcites in epitactic overgrowth. They climb up the sides of some of the first generation calcites, even capping some of the terminations. A beautiful display of crystals which is much better in person. $175
