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Mineral Specimens with Quartz
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12.0 x 7.2 x 4.0 cm. A fine cabinet specimen of mirror-bright, twinned, black sphalerite crystals to 1.9 cm from the Krushev dol Mine of Bulgaria. This large, essentially pristine, undulating plate is beautifully accented by water-clear, quartz needles.
15.4 x 9.4 x 7.7 cm. A fine large cabinet quartz specimen from the famous Arkansas quartz mines. Two intergrown, water-clear quartz crystals have sharp terminations and the side faces have fascinating, stepped-growth. The specimen is actually doubly terminated, with multiple terminations. The base broke off and then totally re-grew. Complete-all-around and very nearly pristine. Ex. Jaime Bird Collection.
8.4 x 5.9 x 4.4 cm. An unusual and uncommon Tsumeb combination specimen. This pristine and complete-all-around, very vuggy specimen features nests of sharp calcite rhombs preferentially coated with pastel-green duftite on a starkly contrasting, sintered-looking matrix of quartz covered by sulfides. Quartz is relatively uncommon from Tsumeb. Ex. Rob Smith Collection.
7.2 x 6.2 x 5.5 cm. A fine mounded specimen of intergrown, translucent,"Blanchard-blue" fluorite cubes richly piled atop a quartz matrix from the Blanchard Mine of New Mexico. The iron-stained quartz underneath some of the cubes gives them a yellow cast.
6.2 x 1.8 x 1.6 cm (tallest). A fine, 3-piece Brandberg amethyst/smoky quartz crystal set from Charlie Key dealer stock. All three crystals have water-clear termination areas with distinctively different amethyst/smoky patterns. The largest crystal is doubly terminated, even though there is some contacting at the other end. The chevron-patterned crystal is really striking and beautiful. The two largest crystals have movable bubbles. They are not easy to see, but they are there.
1.7 x 1.4 x 1.2 cm. Ajoite is a very rare copper-containing silicate. This is a fine, unpolished thumbnail natural quartz crystal that displays a rich a zone of concentrated, turquoise-blue ajoite inclusions. This fine piece is from the famous, small, 1985 find from the Messina Mine of South Africa, source of the very best ajoite-included quartz crystals. The ajoite phantom is beautiful and there are many clay inclusion flecks. The termination is complete-all-around and pristine and the sidecar crystal is a nice accent. Ex. Rob Smith Collection.
3.9 x 2.1 x 1.8 cm. A classic and aesthetic ilvaite specimen from the old-world location of the Isle of Seiphos, Greece. This doubly terminated, floater crystal is very well formed, has excellent lustre, rich black color and is remarkable for size and perfection. The crystal has the classic, chisel termination and the embedded quartz crystals are a real highlight. Ex. Jaime Bird Collection.
8.1 x 2.5 x 1.7 cm. Kosnarite is Potassium, Zirconium Phosphate and was named after Richard Kosnar in 1994. The type locality for this material is Mt. Mica, Maine, and the crystals at that find barely approached 1 mm in diameter. A few years ago, Luiz Menezes made a discovery of what are the finest crystallized Kosnarite specimens in existence with crystals up to 4 mm. This piece doesn't have crystal up to 4 mm, but it does feature sharp, lustrous, cream color, pseudo-cubic (trigonal) crystals on a group of gemmy Quartz crystals. If you look under magnification, you'll see a small truncated face on each "cube" of Kosnarite on this specimen, which is actually a pinacoid or a "c" face as these crystals are trigonal and not isometric as they might appear. Ex. Richard Kosnar Collection.
A strange, pretty and uncommon Brandberg amethyst specimen that consists of a doubly-terminated, skeletal amethyst crystal with, at one end, a burst of clear to light-purple smaller crystals that have grown right on the termination of the larger crystal. VERY UNUSUAL AND INTERESTING SPECIMEN! THIS IS ALSO A COMPLETE FLOATER. 5.5 x 2.6 x 1.7 cm
4.6 x 2.6 x 2.3 cm. A beautiful, doubly terminated, interestingly color-zoned amethyst crystal from an uncommon Kazakhstan locality - Preozersk. The 4.2 cm, sharp, moderately lustrous and translucent crystal is set on matrix. The violet amethyst shades are very pleasing.
3.6 x 3.0 x 3.2 cm. A beautiful amethyst miniature from Thunder Bay, collected from a recent find/trend by a private collector. A fine, 2.4 cm, doubly terminated crystal is beautifully perched atop the cluster of very glassy, highly lustrous, multi-hued purple amethyst crystals. The doubly terminated crystal is complete-all-around and pristine.
8.0 x 6.0 x 2.6 cm. Japan-law twin quartz is very rare from the mines at Dal’negorsk, Russia. This fine plate features a 3.3 cm wide, Japan-law quartz twin set in the myriad of quartz crystals that are all preferentially dusted with iron oxides. The piece was recovered from the 2nd Sovietskiy Mine in 2007.
6.7 x 2.3 x 1.7 cm. A fine and pristine smoky quartz scepter from recent finds at Hallelujah Junction, Nevada. A 3.7 cm, gem, light smoky crystal rests on the pedestal of a lightly frosted, translucent, darker smoky quartz crystal. This is a classic and excellent scepter from this locale. Ex. Daniel Trinchillo Sr. Collection.
8.7 x 7.5 x 3.0 cm. A fine specimen of sharp chalcopyrites clustered beautifully on a matrix of quartz. The largest chalcopyrite is 2.5 cm across, and the scintillating lustre is fantastic on the brass-yellow crystals. Sharp chalcopyrites on quartz , contrasting like this, are actually very hard to come by. This specimen is from the Alimon Mine at Huaron, Peru, from its heyday in the 1970s-1980s. Ex. Jaime Bird Collection.
21.5 x 7.7 x 5.4 cm. A giant amethyst/smoky quartz scepter from Brazil. This impressive, large cabinet specimen is complete-all-around. The amethyst scepter has very interesting, variable purple color zoning. All of the faces on this piece have differing amounts of stepped-growth and some of the termination faces have skeletal features. The lustre and translucence are excellent. This piece is very nearly pristine. Ex. Rolf Wein and Richard Hauck Collections.
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Rob Lavinsky, rob@irocks.com
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Mineral Specimens by species; or
by specimen id.
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share specimen![Sphalerite, Quartz from Krushev dol deposit, Krushev dol mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-233438a.jpg]](db_pics/mdpics/MD-233438a.jpg)
![Sphalerite, Quartz from Krushev dol deposit, Krushev dol mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-233438b.jpg]](db_pics/mdpics/MD-233438b.jpg)
![Quartz from Jessieville, Garland Co., Arkansas, USA [db_pics/mdpics/MD-233447a.jpg]](db_pics/mdpics/MD-233447a.jpg)
![Duftite, Calcite, Quartz from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-233476a.jpg]](db_pics/mdpics/MD-233476a.jpg)
![Fluorite, Quartz from Blanchard Mine (Portalas-Blanchard Mine), Bingham, Hansonburg District, Socorro Co., New Mexico, USA [db_pics/mdpics/MD-233487a.jpg]](db_pics/mdpics/MD-233487a.jpg)
![Quartz (Var: Amethyst), Quartz (Var: Smoky Quartz) from Goboboseb Mountains, Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-233492a.jpg]](db_pics/mdpics/MD-233492a.jpg)
![Ajoite, Quartz from No. 5 shaft, Messina mine, Messina District, Limpopo Province, South Africa [db_pics/mdpics/MD-233496a.jpg]](db_pics/mdpics/MD-233496a.jpg)
![Ilvaite, Quartz from Serifos Island (Seriphos), Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (AiyaÃon) Department, Greece [db_pics/mdpics/MD-233498a.jpg]](db_pics/mdpics/MD-233498a.jpg)
![Kosnarite, Quartz from Jenipapo district, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-233506a.jpg]](db_pics/mdpics/MD-233506a.jpg)
![Kosnarite, Quartz from Jenipapo district, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-233506b.jpg]](db_pics/mdpics/MD-233506b.jpg)
![Quartz (Var: Amethyst), Quartz (Var: Smoky Quartz) from Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-23448a.jpg]](db_pics/mdpics/MD-23448a.jpg)
![Quartz (Var: Amethyst) from Preozersk, Balkhash Lake, Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan [db_pics/mdpics/MD-234872a.jpg]](db_pics/mdpics/MD-234872a.jpg)
![Quartz (Var: Amethyst) from Thunder Bay District, Ontario, Canada [db_pics/mdpics/MD-235087a.jpg]](db_pics/mdpics/MD-235087a.jpg)
![Quartz from 2nd Sovietskii Mine (2nd Sovietskiy Mine), Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-235236a.jpg]](db_pics/mdpics/MD-235236a.jpg)
![Quartz (Var: Smoky Quartz) from Royal Scepter Mine, Hallelujah Junction, Petersen Mountain, Washoe Co., Nevada, USA [db_pics/mdpics/MD-235237a.jpg]](db_pics/mdpics/MD-235237a.jpg)
![Chalcopyrite, Quartz from Alimon Mine (Animon Mine), Huaron Mining District, San Jose de Huayllay District, Cerro de Pasco, Daniel Alcides Carrión Province, Pasco Department, Peru [db_pics/mdpics/MD-235249a.jpg]](db_pics/mdpics/MD-235249a.jpg)
![Quartz (Var: Amethyst), Quartz (Var: Smoky Quartz) from Conselheiro Pena, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-235251a.jpg]](db_pics/mdpics/MD-235251a.jpg)