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Mineral Specimens with Quartz
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8.1 x 2.6 x 1.8 cm, 7.0 x 2.4 x 2.0 cm. TWO fine examples of gemmy red spessartine garnets on smoky quartz from mining at Tongbei - in this case, pitch black crystals that add real drama to the contrast with the spessartines.
10.9 x 6.6 x 6.5 cm. A frosty, creamy calcite crystal measuring 5.5 x 4 cm, sits on a bed of gemmy amethyst crystals - a really pretty setting! Smaller crystals surround it. Irai continues to produce batches of beautiful specimens of calcite and amethyst of different forms from time to time, sometimes in combination such as you have here.
12.6 x 5.7 x 3.9 cm. This specimen is very hard to photograph. In person, it is really fascinating and actually rather pretty. It is a very large quartz crystal that has been naturally etched by corrosive solutions running through the pocket in which it formed. All the faces are natural, so it is a floater. Some of them are jagged; others look smooth and almost "stream-rolled." There are strange euhedral pits in some of the sides as well. The interior is very gemmy and this adds to the visual allure - the photo with the crystal in the hand is the best for showing some of the pretty and unusual character of this specimen.
18.8 x 4.3 x 3.4 cm. This fine, large, complete stalactite came from a group we got of which most were amethyst, but this one has so little color that it would be more accurately described as quartz. It is perfectly symmetrical, with a little crook at the very tip. The interior is massive quartz, and the surface is covered with sparkly crystals.
13.4 x 10.9 x 8.9 cm. This is a very large, spectacular Eastern European specimen. It is a dazzling burst of frosty, slender quartz crystals, to 5 cm, festooned with sparkly golden pyrite, and you can see euhedral crystals of sphalerite here and there nestled amongst the quartz crystals as well. Dazzling!
11.2 x 9.8 x 8.4 cm. An extremely unusual, large specimen out of the collection of Ed David, from the classic Santa Eulalia locality. What you have is a large burst of quartz crystals, to 3.5 cm, that have been covered with crystalline calcite. At the tips of some of the crystals are fan-shaped, flattened rosettes of calcite! Pretty and rare. Ex. Ed David Collection.
16.3 x 14.5 x 8.7 cm. A large specimen decked wall-to-wall with quartz included by rusty-red hematite and with specular hematite around the base. This specimen is in fact a solid mass of quartz and hematite - the crystals are all the way around, back, front and sides, and you can display the piece from any number of angles beautifully. These old Frizington quartzes-with-hematite are huge European classics, and this superb example passed through the Harvard Mineralogical Museum and the collections of Ed David and Richard Kelley.
8.4 x 6.5 x 3.9 cm. Germany is known for its world-class carvings, often from materials such as this - a combination of agate and porphyry (with a little crystal pocket in the middle in this case). Typically you do not see the material come to the market as mineral specimens, but as carvings - but in this case, a pretty specimen was preserved for a collector!
12.1 x 5.2 x 3.2 cm. This amethyst crystal was naturally etched by corrosive solutions in the pocket into this weird form. Inside the jagged surface is a gemmy interior of great clarity and bright purple color, with hints of orangey citrine. You can see some of the original faces that were preserved, though smoothed, by the etching.
5.4 x 2.4 x 1.7 cm. The quartzes from Brandberg look like no others from anywhere else, as exemplified by this fine specimen. What is unique about them is how the colors - in this case, both smoky and purple - are intense, isolated blushes within the water-clear quartz. They follow the rough outline of an internal phantom in this crystal. Ex. Charlie Key Collection.
4.4 x 4.0 x 2.6 cm. A REALLY CUTE and aesthetic, floater, jackstraw cluster of glassy, water-clear quartz crystals partially included with epidote from a recent, small Pakistan find. The neat, DT quartz crystal is 4.0 cm. Only a couple of broken, minor quartz needles on this very showy, complete all-around piece.
7.9 x 6.4 x 5.8 cm. Goosecreekite is a very rare zeolite and this fine specimen has two huge ball-like clusters of snow-white goosecreekite crystals on sparkly drusy quartz. The long cluster at 5.1 cm is a beautiful accent. Ex. George Feist Collection # 2311.
7.5 x 5.6 x 5.3 cm. A SUPERB and AESTHETIC Pakistan combination piece. 5 species comprise this beauty. A very gemmy, 5.4 cm aqua crystal artfully rests on the side of a blocky, doubly terminated, water-clear quartz crystal. The sharply terminated quartz crystal has preferentially lightly frosted faces. The aqua and quartz rest on a blocky albite crystal and the piece is nicely accented by a pearlescent mica book, a couple of embedded schorls and bright, snow-white, second-generation feldspar crystals.
3.6 x 2.2 x 1.2 cm. Lightly iridescent green bornite crystal aesthetically perched upright on a plate of quartz needles. Ex. George Elling Collection.
10.0 x 7.0 x 4.3 cm. Very glassy and lustrous, smoky quartz crystals to 2.3 cm are aesthetically scattered on mounded CABINET matrix covered with sparkly, black hematite blades on this CLASSIC, OLD-TIME and showy specimen from the famous Florence Mine of Egremont, England. The matrix is fascinating in itself, being rounded, matte-finish galena. A couple of the quartz crystals are very lightly bruised or contacted, but this remains an excellent representation of these species from a famous locality and looks good from several points of view. Ex. George Elling Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Spessartine, Quartz (Var: Smoky Quartz) from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-135027a.jpg]](db_pics/mdpics/MD-135027a.jpg)
![Calcite, Quartz (Var: Amethyst) from IraÃ, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-135030a.jpg]](db_pics/mdpics/MD-135030a.jpg)
![Quartz from Miram Shah Tribal Area (Miran Shah; Mirumshah; Miranshah), North Waziristan, Federally Administered Tribal Areas (FATA), Pakistan [db_pics/mdpics/MD-135037a.jpg]](db_pics/mdpics/MD-135037a.jpg)
![Quartz from Miram Shah Tribal Area (Miran Shah; Mirumshah; Miranshah), North Waziristan, Federally Administered Tribal Areas (FATA), Pakistan [db_pics/mdpics/MD-135037b.jpg]](db_pics/mdpics/MD-135037b.jpg)
![Quartz from Artigas, Artigas Department, Uruguay [db_pics/mdpics/MD-135044a.jpg]](db_pics/mdpics/MD-135044a.jpg)
![Quartz from Artigas, Artigas Department, Uruguay [db_pics/mdpics/MD-135044b.jpg]](db_pics/mdpics/MD-135044b.jpg)
![Sphalerite, Quartz, Pyrite from Krushev dol deposit, Krushev dol mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-135046a.jpg]](db_pics/mdpics/MD-135046a.jpg)
![Sphalerite, Quartz, Pyrite from Krushev dol deposit, Krushev dol mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-135046b.jpg]](db_pics/mdpics/MD-135046b.jpg)
![Quartz, Calcite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-135058a.jpg]](db_pics/mdpics/MD-135058a.jpg)
![Quartz, Hematite from Frizington, West Cumberland Iron Field, North and Western Region (Cumberland), Cumbria, England, UK [db_pics/mdpics/MD-135086a.jpg]](db_pics/mdpics/MD-135086a.jpg)
![Chalcedony (Var: Agate) from Thuringia, Germany [db_pics/mdpics/MD-135094a.jpg]](db_pics/mdpics/MD-135094a.jpg)
![Chalcedony (Var: Agate) from Thuringia, Germany [db_pics/mdpics/MD-135094b.jpg]](db_pics/mdpics/MD-135094b.jpg)
![Quartz (Var: Ametrine) from Anahà Mine (Anay Mine; Anai Mine), La Gaiba District, Sandoval Province, Santa Cruz Department, Bolivia [db_pics/mdpics/MD-135096a.jpg]](db_pics/mdpics/MD-135096a.jpg)
![Quartz (Var: Ametrine) from Anahà Mine (Anay Mine; Anai Mine), La Gaiba District, Sandoval Province, Santa Cruz Department, Bolivia [db_pics/mdpics/MD-135096b.jpg]](db_pics/mdpics/MD-135096b.jpg)
![Quartz (Var: Smoky Quartz), Quartz (Var: Amethyst) from Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-135099a.jpg]](db_pics/mdpics/MD-135099a.jpg)
![Quartz, Epidote from Balochistan (Baluchistan), Pakistan [db_pics/mdpics/MD-135182a.jpg]](db_pics/mdpics/MD-135182a.jpg)
![Goosecreekite, Quartz from Alibaug, Maharashtra, India [db_pics/mdpics/MD-135190a.jpg]](db_pics/mdpics/MD-135190a.jpg)
![Goosecreekite, Quartz from Alibaug, Maharashtra, India [db_pics/mdpics/MD-135190b.jpg]](db_pics/mdpics/MD-135190b.jpg)
![Beryl (Var: Aquamarine), Quartz, Albite from Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-135205a.jpg]](db_pics/mdpics/MD-135205a.jpg)
![Bornite, Quartz from Dzhezkazgan Mine (Zhezkazgan Mine), Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan [db_pics/mdpics/MD-135210a.jpg]](db_pics/mdpics/MD-135210a.jpg)
![Bornite, Quartz from Dzhezkazgan Mine (Zhezkazgan Mine), Dzhezkazgan, Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast'), Kazakhstan [db_pics/mdpics/MD-135210b.jpg]](db_pics/mdpics/MD-135210b.jpg)
![Quartz, Hematite from Florence Mine, Egremont, West Cumberland Iron Field, North and Western Region (Cumberland), Cumbria, England, UK [db_pics/mdpics/MD-135283a.jpg]](db_pics/mdpics/MD-135283a.jpg)