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July 2010 Update
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OKI-662 Quartz on Calcite Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut. These two crystals, to 3.7 cm each form a “V” on a matrix coated by small white to clear calcites. The pieces measures 6 x 4.8 x 3 cm overall. The quartz are unusual for the locality, having an unusual growth feature on all the prism faces. It is almost like a stepped overgrowth of a second generation of quartz in epixaty. The overgrowth is milky and the terminations are clear. There is a tiny “Wilbur” on one termination. A very displayable piece which is the only one like it of which I am aware. 275$
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OKI-661 Quartz on Calcite RESERVED Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut. Beautiful gemmy quartz to 3 cm each sit up high off the surface of this domical plate of calcites. The largest crystal is double terminated while the others are single points. There is a moderate amount of hematite in small red balls as inclusions and as coatings on the quartz and calcite. Damage free, which is quite unusual for this material. 8 x 5.4 x 3.5 cm. Sits on edge nicely for display. Flashy! 185$
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OKI-660 Quartz on Calcite Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut. Beautiful gemmy quartz to 2.8 cm each sit up high off the surface of this domical plate of calcites. The crystals are well formed and both single and double terminated. There is a moderate amount of hematite in small red balls as inclusions and as coatings on the quartz and calcite. Damage free, which is quite unusual for this material. This is a big plate measuring 11.5 x 11 x 5.5 cm. It sits on edge nicely for display. Flashy! 225$
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OKI-663 Prehnite Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut. This fine light green specimen is a botryoidal bubble (hollow) that is crystallized both externally and internally. All surfaces excluding bottom contact edges are damage free prehnite. The dome measures 4.2 x 4 x 2.4 cm overall and displays great. One of the better prehnite specimens I’ve seen from here. 125$
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OKI-669 Fluorite on Calcite Excavation for Feeder Canal, Queenston-Chippewa Power Plant, (Montrose Rock Dump), Niagara Falls, Ontario, Canada. Ex. Dr. Steve Chamberlain collection, Harry Maines Collector, 1985. This excavation into the Lockport Dolostone resulted in a small number of fine specimens being produced in the mid-1980s. Until now, I have never seen one for sale. Field collectors tended to keep all their finds. With the latest purchase from Steve’s collection some of these specimens came into my possession. With the exception of the unique calcites the material is almost indistinguishable from the specimens from the Penfield and Walworth quarries (also, in the Lockport formation). To say this material is rare is the understatement of the decade! This specimen is a cabinet piece measuring 16.4 x 10.5 x 9.5cm and it is somewhat triangular in shape. It sits upright nicely and is composed of a partial vug lined with yellow calcites to 1 cm each. There is a 1.3 cm fluorite cube of a light purplish blue, almost clear, color on the specimen. It is gemmy and a beauty for any locale in the Lockport. The piece could benefit from some trimming but I like it as is so have not made an attempt of modify the piece. No damage. Exceptional. 250$
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OKI- 515 Calcite Roncari Quarry (Tilcon Quarry), East Granby, Hartford County, Connecticut. 3.2 x 2.3 x 2 cm floater crystal with dark reddish brown hematite overgrowths. The overgrowths coat selective faces on this very complex crystal. I don’t think it is a twin, simply an odd shaped thing. Internally clear to slightly milky, no points of attachment, only some regrown faces and no damage. A quality piece. 40$
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OKI-516 Calcite, Quartz and Chalcopyrite Roncari Quarry (Tilcon Quarry), East Granby, Hartford County, Connecticut. Several double terminated calcite schalenohedrons to 1.8 cm each are clustered together on part of a quartz encrusted stalactite. There is also a brassy yellow chalcopyrite crystal on one of the calcites. Zero damage, good luster and excellent form. 2.5 x 2.4 x 1.8 cm overall. Cute! 45$
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OKI-517 Calcite and Hematite Roncari Quarry (Tilcon Quarry), East Granby, Hartford County, Connecticut. A gorgeous 2 cm calcite sits on minor calcite coated matrix. The specimen measures 2.2 x 2 x 1.8 overall and is noteworthy due to the unusual bands of hematite thickly coating selective regions on some of the faces. Internally clear to slightly milky with bright rainbows indicative of a twinned crystal (which I see no further evidence of). Minor crystal contact on backside. Super views from all angles, high luster and a rare thing to have these odd, heavy metallic bands of hematite. 50$
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OKI-519 Calcite, Prehnite and Quartz Roncari Quarry (Tilcon Quarry), East Granby, Hartford County, Connecticut. The calcites are white and very translucent, showing prehnite balls on their surfaces and as inclusions. They also exhibit odd selective surface hematite stains and phantoms which appear a light red in color. The clear quartz points also show the hematite coloration but not the selective patterning like the calcites. Very clean with only moderate edge contacts. No damage. Displays nicely. 3 x 2.7 x 2.2 cm overall. Excellent example. 35$
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OKI-520 Quartz Roncari Quarry (Tilcon Quarry), East Granby, Hartford County, Connecticut. A relatively large, 2.3 cm, clear to slightly milky calcite sits up high off of a cluster of quartz points of similar color. The calcite is very complex with a couple of dark hematite blobs on one face. Entire TN specimen measures 3.4 x 2.5 x 2.5 cm and fills nicely a perky box. No damage, only edge contacts. 30$
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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$
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OKI-595 Cassiterite Elsmore Mine, New South Wales, Australia. Ex. Dr. Steve Chamberlain Collection. An exceedingly fine, nest type twin of cassiterite in a single crystal. Minor edge contact, high luster and classic form. Far better than most specimens I have seen from here. Measures 1.1 cm on edge. Damage free and aesthetic. 80$
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OKI-596 Elbaite Virgem de Lapa, Brazil. Ex. Dr. Steve Chamberlain Collection. A well formed, lustrous, single terminated crystal with moderate striations. Gem throughout this pinkish amber colored crystal. It measures 1.8 x .6 x .3 cm overall. Cute. 30$
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OKI-598 Atacamite La Farola Mine, Copiapo, Chile. Ex. Dr. Steve Chamberlain Collection. A bright green group of acicular crystals in radiation sprays. Minor unknown secondary mineral in tiny balls of a whitish tan color. Nice damage free crystals of good form and exceptional luster. 2.3 cm in widest diameter. Wonderful TN sized example. 38$
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OKI-561 Rutilated Quartz Bahia, Brazil. Ex. Dr. Steve Chamberlain Collection. Nice sized 3.9 x 2.6 x 2.5 cm crystal with liberal bright gold colored rutiles within. There is a very tiny tip rib, otherwise in good shape. 35$
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OKI-562 Euclase Santo do Encoberto, Minas Gerais, Brazil. Ex. Dr. Steve Chamberlain Collection. A fine, gemmy, double terminate crystal measuring 1.7 x .7 x .4 cm. Minor internal fracturing. One termination has a small chip. High luster, minor striations. Nice example for the TN collector at a great price. 50$
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OKI-563 Elbaite Minas Gerais, Brazil. Ex. Dr. Steve Chamberlain Collection. Bi- colored tourmaline with an opaque green base and transparent pinkish purple top. This gemmy region is .4 cm thick. Entire crystal measures 1.3 x 1.3 x 1.2 cm. Micro chip on one edge of termination, is not at all distracting. 55$
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OKI-567 Schorl Minas Gerais, Brazil. Ex. Dr. Steve Chamberlain Collection. Very high luster and moderat striations on this fine black specimen. The single terminated crystal measures 3 x 2.4 x 2.2 cm. A couple really tiny termination edge rubs. Very fine condition and a nice display piece which is better than the pics indicate. 60$
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OKI-572 Spinel Glencoe Island, North West Territories, Canada. Ex. Dr. Steve Chamberlain Collection, prev. Canadian Museum of Nature. Beautiful purple color to this 1.9 x 1.9 x 1.3 cm crystal. One ding which blends in with the complex growth features of this crystals surface. Base contact. Translucent. Found in 1980. Quite and unusual piece. 70$
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OKI-564 Uvite Brumado, Bahia, Brazil. Ex. Dr. Steve Chamberlain Collection. Deep red, translucent uvites to over a cm each grouped together along one side of a small section of crystallized magnesite. The crystals have wonderful clean terminations on one end and fibrous terminations on the opposing end. No damage and good luster on the tourmalines. 40$
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OKI-571 Axinite Grey Cloud Claim, Yukon Territory, Canada. Ex. Dr. Steve Chamberlain Collection. A cute little spray of crystals measuring 1.8 x 1.7 x .4 cm with no damage. Gemmy and sharp. Great price at 28$
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OKI-575 Vesuvianite Jeffrey Mine, Asbestos, Quebec, Canada. Ex. Dr. Steve Chamberlain Collection. A stocky, deep green crystal which measures 2.2 x 1.5 x 1.3 cm. Typical high luster and fine form to this single terminated crystal. Highly translucent, gemmy in areas. Second termination is actually healed and has some secondary vesuvianite crystals. Tiny chip on back side not a distraction to the overall high quality of this nice specimen. 70$
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OKI-568 Vesuvianite Jeffrey Mine, Asbestos, Quebec, Canada. Ex. Dr. Steve Chamberlain Collection. A stocky, deep green crystal which measures 2.8 x 1.1 x .8 cm. Wonderful, steep termination and small rider crystal with a completely different type of termination. Typical high luster and fine form to this single terminated crystal. More gem material than most specimens from this locale. Damage free and of the highest quality. 120$
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OKI-573 Diopside Orford Nickel Mine, Brompton Lake, Sherbrooke, Quebec, Canada. Ex. Dr. Steve Chamberlain Collection. A fine, tabular, single terminated, lustrous, translucent crystal which measures 3.3 x 1.3 x .5 cm. The piece is typical, which for diopside means exceptional, for the site. This one is adhered in a perky box. 30$
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OKI-556 Cassiterite Huanuni, Bolivia. Ex. Dr. Steve Chamberlain Collection. A beautiful pair of diverging, prismatic crystal which measure 1.8 x 1.8 x .9 cm together. They are twins and of the highest luster imaginable. Their form is great and there is no damage to the piece. A very respectable TN specimen in any regard. 95$
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OKI-554 Cassiterite Huanuni, Bolivia. Ex. Dr. Steve Chamberlain Collection. A beautiful pair of diverging, prismatic crystal which measure 1.2 x 1 x .7 cm together. They are twins and of the highest luster imaginable. Their form is great and there is no damage to the piece. Mounted on a post in a perky box. Very nice for the price 35$
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OKI-557 Spessartine Pederniera Mine, Sao Jose da Safira, Minas Gerais, Brazil. Ex. Dr. Steve Chamberlain Collection. 2.1 x 2 x 1.2 cm overall. Totally gem, deep red in color and highly modified in for. No damage to this floater. Well worth 40$
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OKI-569 Grossular Coe Hill, Ontario, Canada. Ex. Dr. Steve Chamberlain Collection. A sweet little cluster of translucent crystals to 1.1 cm each. The piece measures 2.4 x 2 x 1.2 cm and is mounted in a perky box. These damage free crystals are a vibrant red color and exhibit classic form. An uncommon locale and attractive example (and price) 28$
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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$
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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
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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$
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OKI-544 Fluorapatite Cerro del Mercado Mine, Durango, Mexico. Ex. Dr. Steve Chamberlain Collection. Circ. 1962. A fine gem measuring 1.6 x .8 x .6 cm. Exceptionally gemmy with no internal flaws. Tip chipping but otherwise clean. Facet grade. 25$
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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$
