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Mineral Specimens with Smithsonite
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5.4 x 4.4 X 4.0 cm. Lustrous, blocky, cream-colored smithsonite rhombs to 1.5 cm cover one face of the sculptural box-work matrix of pink dolomite on this fine specimen from the Tsumeb Mine. Interestingly, the smithsonite chemistry was highly variable on this piece, as the smithsonites on the bottom are all tiny scalenohedrons, rather than rhombs. All sides of the L-shaped dolomite crust have smithsonite crystals.
13.9 x 8.2 x 7.8 cm. An incredible, old-time, cabinet smithsonite specimen from the ancient mines at Laurium, Greece. Vugs on all sides of this amazingly sculptural box-work piece are totally lined with translucent, pastel-blue, botryoidal smithsonite. The Laurium mines were called "ancient" in the time of the Classical Greeks. Ex. Mullane Collection.
10.0 x 6.8 x 2.6 cm. A beautiful, old-time, Kelly Mine smithsonite specimen from the Dennis Mullane Collection. The thin crust of beautiful, powder-blue smithsonite consists of scintillating, tiny, intergrown, "rice grain" smithsonite crystals in botroyoidal aggregates. The little smithsonites look like tiny, blue jewels under a hand lens.
3.2 x 2.5 x 2.3 cm. "Rice grain" smithsonite crystals on aurichalcite are amongst the most desirable combination specimens from the famed Kelly Mine. Gemmy, tiny, rice-grain smithsonite crystals are richly scattered on the thin, gorgeous, powder-blue, botryoidal aurichalcite crust coating the gossan matrix. A very fine toenail from this renowned locale and seldom available in this quality. Ex. Mullane Collection.
MD-262878 - Cerussite, Rosasite, Azurite, Smithsonite, Mimetite, Beudantite, Baryte, Galena - - Archived
Sherman Mine (Sherman tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA
large cabinet, 15.1 x 10.6 x 9.8 cm.
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15.1 x 10.6 x 9.8 cm. Without a doubt, this is one of the most impressive association specimens I have seen not only from Leadville, but virtually any Colorado locality. Leadville is well known for its Silver deposits, but the secondary ore minerals from the Sherman mine are treasured by Colorado collectors. This piece features more associated species on the same specimen than I have seen from the Sherman mine. It features tiny white "snowflakes" of Cerussite lightly dusted with Rosasite on Azurite along with crystals of Smithsonite and Mimetite, plus the very rarely seen arsenate, Beudantite on a matrix of golden Baryte crystals, Galena and Quartz. I spent nearly 30 minutes with this piece under the microscope. It's an incredibly fun specimen to view under high magnification, and an amazing association specimen from one of the most storied mining districts in Colorado. Colorful secondary ore specimens are not the first thing that comes to mind when one thinks of Colorado, and this piece is about as rich as it gets when it comes to species. This specimen was collected in 1980, and stands as one of the most unique pieces I have ever seen from Leadville. From C-22 Area. Ex. Richard Kosnar Collection.
12.0 x 9.0 x 6.7 cm. We have all seen a large number of smithsonites from Choix, in spurts over the last few years. But this turquoise blue-green color is rarely seen in good larger pieces. Moreover, many Choix smithsonites are flat plates or shapeless rounded blobs, without the 3-dimensional aesthetics that this piece has. It is nearly pristine and is complete-all-around 360-degrees as it sits. Weighs 800 grams.
6.1 x 3.8 x 2.3 cm. Pretty, lustrous, translucent, pastel-green smithsonite micro-rhombs in intergrown, botryoidal form cover the matrix plate on this excellent specimen from a very uncommon Nevada locale - the Yellow Pine Mine. Rarely available material from this old locale. Ex. Terry Szenics Collection.
6.2 x 5.7 x 3.3 cm. Rare greenish smithsonite from Broken Hill. This is a sparkling example of the beautiful secondary minerals once common from Broken Hill. Apparent stalactitic growth on a black matrix has resulted in an elongated crust of light, apple-green, translucent smithsonite. Ex. Richard Hauck Collection.
4.8 x 3.7 x 2.8 cm. A lovely specimen of very fine blades that rest along the matrix and on one single stalactite. The Smithsonite is a delicate pink color and has a beautiful silky luster - a unique combination of features that makes pieces from this one pocket quite distinct. Ex. Martin Lewadny Collection.
3.8 x 2.8 x 1.8 cm. Among the most coveted specimens from Tsumeb are the copper-rich smithsonites, such as this one. The lustrous, translucent, rich, apple-green rhombs, to 1.5 cm across, are intergrown, giving the specimen a rosette appearance. Formerly in the collection of Ulrich Bahmann of South Africa. This style, with the large crystals, is quite uncommon and a miniature such as this one is very hard to obtain because it is so coveted a style. Pristine on the display face, slightly contacted in back, except for one very small cleave on a minor crystal, in the center-right of the piece.
8.8 x 8.8 x 4.4 cm. Mineral specimens from the copper-zinc Antler Mine of Mohave County, Arizona are very uncommon and very rarely available. This striking specimen features a crust of iridescent, botryoidal smithsonite on a matrix of massive smithsonite. The iridescence is a mellow peacock-blue to magenta. Very unusual and seldom available material from this locale and the Dennis Mullane Collection. Accompanied by an older, 1950-early 1970s Burminco label.
7.8 x 4.7 x 3.5 cm. The ancient Mezica Mine of Slovenia started ore production in the 1400s and may have been worked by the Romans. But smithsonite specimens from this historic locale are extremely rare and are very rarely available. A fine, curved, box-work crust is covered on all sides with lustrous, translucent, light brown smithsonite microcrystals formed in botryoids. Ex. Mullane Collection and comes with an older Bourget Bros. label.
5.0 x 3.0 x 3.0 cm. A fine combination specimen from the Tsumeb Mine. A 9 mm, lustrous, translucent, stair-stepped, wine-red cuprite crystal is aesthetically set in a vug lined with lustrous, snow-white smithsonite rhombs and beautifully accented with contrasting, green, primary malachite blades. Classic and beautiful combination material from the Wes Parker Collection.
8.1 x 4.4 x 6.0 cm. Azurite with smithsonite is an uncommon combination from the mines at Touissit, Morocco. This fine and sculptural piece features a mound of colorless to lightly tinted, complex smithsonite rhombs richly and attractively accompanied by highly lustrous, midnight-blue azurite blades with hints of the famous "electric blue". The large azurite is 1.5 cm and the scattered malachite is a very nice accent to the azurite and smithsonite. Ex. Daniel Trinchillo Sr. Collection.
A fine Tsumeb pink smithsonite, with quite transparent crystals measuring to over a centimeter, beautifully isolated on the sulfide matrix. The pink color is due to cobalt content. WONDERFUL SILKY LUSTRE! 5.2 x 3.4 x 3.0 cm
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Rob Lavinsky, rob@irocks.com
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