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Mineral Specimens with Quartz
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4.8 x 3.9 x 2.9 cm. Actually, it is amethyst that is much better-known from this old locality, not smoky quartz. But, though there is a hint of amethystine color in this crystal, you would have to call it a smoky. It is a complete, beta-style crystal sitting on a chunk of massive quartz. The crystal is transparent, with good sharp faces. Ex. Feist Collectoin.
6.7 x 3.1 x 2.2 cm. A really interesting and aesthetic combination piece from the mid-1990s finds at Brumado in Brazil. Gemmy and lustrous, tabular, green uvites are scattered on and in quartz crystals. The quartz "stalk" grades upward from milky to water-clear and has a super, double termination. The "arm" quartz with uvites on the end is fascinating and there are tiny magnesites scattered about. Complete all-around and very nearly pristine. Ex. Ken Roberts dealer stock.
4.0 x 3.2 x 2.7 cm. An excellent Dal’negorsk pseudomorph of gray calcite pseudomorphing a very sharp ilvaite crystal with a classic, chisel termination. The pseudomorph is aesthetically attached to a matrix of needle quartz crystals dusted with chalcopyrite. The quartz crystal impaling the pseudo is striking. Classic Dal’negorsk pseudomorph material from the early to mid-1990s.
8.7 x 6.7 x 2.2 cm. A striking specimen of finger-like and bubbly, blue-green plumbogummite partially pseudomorphing yellow-green mimetite crystals on a 3-dimensional, plumbogummite-covered quartz matrix plate from the 2005 find at the Yangshuo Pb-Zn Mine of China. The scattered broken crystals show the unaltered, mimetite interiors. The Yangshuo Mine is on the other side of the mountain from the Daoping Mine, source of most of the Chinese pyromorphite.
5.3 x 3.3 x 3.1 cm. A sharp, complete all-around, smoky quartz crystal is strikingly highlighted by an approximately 3 mm, reddish-brown garnet crystal included in the interior. The refractions on some of the smoky crystal faces appear to double the garnet. This uncommon, old time specimen is from a well-known North Carolina locality and the Richard Hauck Collection.
9.1 x 6.8 x 3.8 cm. This is an impressive, and probably old, specimen of amethyst form the ancient workings of quartz in Idar-Oberstein, used for centuries for carving and lapidary art. Still today, the world center of the highest end of the lapidary crafts is based in Idar-Oberstein, though stone to work on is now imported from elsewhere. This is a complete and beautiful pocket of amethyst, obviously extracted with care. It has deeply colored crystals to 1cm, huddled within a white agate rind. Ex. Helmut Bruckner Collection.
4.3 x 3.6 x 3.0 cm. This is a sharp quartz specimen from the classic "diamond mines" near Herkimer, New York. It is so sharp, so gemmy, it looks carved, hence their nicknames. The crystal is perfectly balanced on a natural little pedestal of rock matrix, attached at its base. Ex. Helmut Bruckner Collection.
4.8 x 3.7 x 3.1 cm. A sharp, gemmy, 3-5cm smoky quartz crystal perched nicely in part of a natural geode cavity, in which it was found. These are classics for Australia. But, usually they pop off the matrix, just like Herkimers from New York do. So to get a matrix Mooralla smoky quartz is pretty difficult. This is a superb miniature.
3.0 x 2.6 x 1.8 cm. These so-called "Suttrop Quartz" specimens once were highly treasured in Europe, but now are so rare that almost nobody knows about them and so nobody really looks to collect them. They turn up, from time to time, in old collections and otherwise you will not even see one. They are just milky quartz, but in floaters of interesting and stereotypical habits. This one comes with an old label from the 1800s. Clusters such as this are uncommon for some reason.
3.0 x 1.7 x 1.5 cm (largest). These so-called "Suttrop Quartz" specimens once were highly treasured in Europe, but now are so rare that almost nobody knows about them and so nobody really looks to collect them. They turn up, from time to time, in old collections and otherwise you will not even see one. They are just milky quartz, but in floaters of interesting and stereotypical habits. This is a whole set of them from the noted collection of R. Metzger of Vienna, mid-1900s.
5.6 x 4.0 x 2.1 cm. A sharp 4.2-cm aegirine crystal, doubly-terminated and highly lustrous, sits atop a similarly sized doubly-terminated, lustrous, and gemmy smoky quartz crystal in an unlikely survival. This is a superb miniature which displays the aegirine to maximum effect. It is pristine and much more 3-dimensional in person than the photo conveys.
6.4 x 5.6 x 2.8 cm. Nothing fancy here, just plain old quartz with cholorite inclusions, but done in such a sharp manner, the piece really stands out. This is from a Nepal locality that briefly produced a bit of material in the late 1980s or early 1990s. Ex. Helmut Bruckner Collection.
For many years, crystalline rose quartz was one of the great mineral rarities. Even today, good crystals are not that common and highly desired. This specimen had good pink color and features rose quartz crystals in two different habits! 3.5 x 3.1 x 2.2 cm.
A dynamite pseudomorph, in which the Quartz crystals have faithfully retained the stereotypical radial arrangements of the original crystals. A very rare replacement, and i have not seen another one except in this same collection! 6.4 x 3.2 x 3.0 cm
Very attractive drusy Chrysocolla and Quartz in a Quartz vug. The luster is excellent, and there are even some clear lustrous Dioptase crystals to add variety and interest to the piece! Just an unusual and pretty locality piece! 4.3 x 3.1 x 3.0 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz (Var: Smoky Quartz) from Union Co., North Carolina, USA [db_pics/mdpics/MD-210775a.jpg]](db_pics/mdpics/MD-210775a.jpg)
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![Quartz (Var: Amethyst) from Juchem Quarry, Niederwörresbach, Idar-Oberstein, Hunsrück Mts, Rhineland-Palatinate, Germany [db_pics/mdpics/MD-210871b.jpg]](db_pics/mdpics/MD-210871b.jpg)
![Quartz (Var: Herkimer Diamond) from Ace of Diamonds Mine, Middleville, Town of Newport, Herkimer Co., New York, USA [db_pics/mdpics/MD-210874a.jpg]](db_pics/mdpics/MD-210874a.jpg)
![Quartz (Var: Smoky Quartz) from Mooralla, Victoria, Australia [db_pics/mdpics/MD-210884a.jpg]](db_pics/mdpics/MD-210884a.jpg)
![Quartz from Auf dem Stein quarry, Suttrop, Warstein, Sauerland, North Rhine-Westphalia, Germany [db_pics/mdpics/MD-210886a.jpg]](db_pics/mdpics/MD-210886a.jpg)
![Quartz from Auf dem Stein quarry, Suttrop, Warstein, Sauerland, North Rhine-Westphalia, Germany [db_pics/mdpics/MD-210887a.jpg]](db_pics/mdpics/MD-210887a.jpg)
![Aegirine, Quartz (Var: Smoky Quartz) from Mt Malosa, Zomba District, Malawi [db_pics/mdpics/MD-210888a.jpg]](db_pics/mdpics/MD-210888a.jpg)
![Quartz from Ganesh Himal deposit, Somdang, Rasuwa District, Bagmati Zone, Nepal [db_pics/mdpics/MD-210892a.jpg]](db_pics/mdpics/MD-210892a.jpg)
![Quartz (Var: Rose Quartz) from Pitorra claim, Laranjeiras, Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-21139a.jpg]](db_pics/mdpics/MD-21139a.jpg)
![Quartz from Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-21147a.jpg]](db_pics/mdpics/MD-21147a.jpg)
![Chrysocolla, Quartz from Kaokoveld Plateau, Kunene Region, Namibia [db_pics/mdpics/MD-21151a.jpg]](db_pics/mdpics/MD-21151a.jpg)