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Mineral Specimens with Quartz
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15.8 x 8.0 x 2.2 cm. Two gemmy, lightly frosted, light cherry-red rhodochrosite rhombs to 1.8 cm, on the diagonal, are nicely placed on a sculptural LARGE CABINET plate covered with a forest of quartz needles. The plate is further accented by scatterings of tetrahedrite and a couple of pyritohedrons. This showy and excellent specimen is from the 1996 Hedgehog Pocket.
9.2 x 7.7 x 3.2 cm. Lustrous, dark battleship-gray tetrahedrite crystals to 2.6 cm RICHLY cover needle quartz-covered matrix on this showy sulfide specimen from the Pincushion II Pocket of the very famous and now-closed Sweet Home Mine. These are large Sweet Home tetrahedrites and this is an excellent accessory mineral specimen from this renowned locality.
3.1 x 2.8 x 1.5 cm. An OLD-TIME, CLASSIC and BEAUTIFUL specimen of two, gem-like, quartz crystals included with hematite on matrix covered with specular hematite from the famous iron mines of Egremont, England. The quartz crystals look like cut diamonds, they are so exquisite! Most people call these beta quartz for the bipyramidal form, but technically they have an extra thin face and are not. Very trivial edge wear is certainly not a detraction from this super old-timer, as you can see. Ex. Richard Hauck Quartz Collection.
7.0 x 4.5 x 4.5 cm. A showy and excellent Chinese specimen of water-clear quartz crystals to 4.7 cm beautifully set in an older generation of milky quartz. Nestled in the milky quartz and "guarded" by the quartz spires is beautiful hematite rosette. This very aesthetic combination specimen is damage-free. The quartz crystal just behind the rosette and in front of the spires has a healed termination.
7.0 x 6.6 x 4.5 cm. An OLD-TIME and aesthetic cluster of glassy, purple amethyst crystals from a CLASSIC North Carolina locality - Iredell County. This very fine example has the typical beautiful color and crystal form of Southern Appalachian amethysts. One of the three major crystals is complete all-around. The other two are contacted on the back, which has an OLD cloth label. Ex. Crunden and Richard Hauck Collections. The Crunden Family were early contributors to the Harvard Mineral Museum. Accompanied by an old Crunden label.
7.5 x 5.3 x 3.7 cm. A very showy and large epidote crystal from the famous Green Monster Mountain on Prince of Wales Island, Alaska. This highly lustrous and beautifully striated, dark olive-green crystal is nicely accented by smaller epidotes and needle quartz crystals. This is a large and very highly representative specimen of the species and locality. The termination area is essentially pristine. A couple of broken quartz crystals and the out of sight contacting on the back are certainly not detraction. A major, large epidote from the John Ydren Collection.
8.7 x 6.4 x 4.9 cm. This specimen is SO much better in person - the camera just could not do it justice. What you have is these silky cuboctahedrons of green fluorite that have wrapped themselves around a column of super-sparkly, snow-white quartz. Striking and beautiful, and sizeable too!
6.4 x 5.7 x 4.2 cm. A nest of gemmy quartz crystals intergrown with lustrous, dark sphalerites, from Dalnegorsk. This pretty combo specimen is from a pocket encountered in 2002, at the 135 Meter Level of the mine.
10.3 x 3.4 x 3.4 cm. A BIG, DOUBLY-TERMINATED Stak Nala tourmaline, very dark bottle-green, with a transparent top termination. This complete crystal is decorated with a blanket of tiny poker-chip calcites, and a doubly-terminated quartz crystal (multiply-terminated on one end) right at the top termination. There is a natural hollow tube running down through the crystal from the top termination. The bottom termination has a bit of contact in one place, but the fact that this termination is complete at all is really unusual.
5.5 x 4.9 x 4.3 cm. A translucent, teal-colored, 4.5-cm Schorl-Elbaite tourmaline crystal embedded in a matrix of quartz, from Maine. Natural internal fractures give the crystal a pretty sparkle under good light. The crystal faces are sharp, with good luster. The crystal is not terminated.
7.8 x 4.4 x 4.2 cm. RARE on matrix! Here are TWO gemmy Barra de Salinas tourmalines, each with an intact termination. They are embedded but well exposed on a quartz crystal that wrapped itself around the tourmalines as it grew. The tourmalines measure 2.5 cm and 2.2 cm, respectively. They have pretty cranberry color, with a bit of green.
10.8 x 5.9 x 4.5 cm. You can display this Chinese combo specimen from either side, depending on whether you want to view the solid cluster of fluorite crystals or a rim of fluorites around a field of milky quartz. The cuboctahedral fluorites have silky surfaces resulting from a myriad of tiny stepped microfaces. They measure to just over 3 cm across.
4.8 x 3.5 x 3.0 cm. Now here is a truly interesting inclusion specimen - three crystals of rusty limonitic alterations of pyrite, embedded in a sharp, gemmy crystal of quartz! One of the three is entirely inside the quartz crystal, having been completely engulfed during the growth of the quartz. Rare!
4.8 x 3.8 x 3.1 cm. A beautiful combo specimen from Santa Eulalia, with a burst of faintly peach-colored calcite crystals rising from a matrix of spiky bursts of white quartz. Speckling the calcites are little marcasites.
3.8 x 1.8 x 1.8 cm. A nearly perfect mineral specimen. Here is a pure, flawless gem crystal of tourmaline rising from a euhedral crystal of quartz which wrapped itself around the tourmaline to form a perfect natural base. The colors are prettier in person, with 3 subtle shifts in hue.
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Rob Lavinsky, rob@irocks.com
All Content and Design ©1996-2012 The Arkenstone
Mineral Specimens by species; or
by specimen id.
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share specimen![Rhodochrosite, Quartz, Tetrahedrite from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-156169a.jpg]](db_pics/mdpics/MD-156169a.jpg)
![Rhodochrosite, Quartz, Tetrahedrite from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-156169b.jpg]](db_pics/mdpics/MD-156169b.jpg)
![Tetrahedrite, Quartz from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-156171a.jpg]](db_pics/mdpics/MD-156171a.jpg)
![Tetrahedrite, Quartz from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-156171b.jpg]](db_pics/mdpics/MD-156171b.jpg)
![Quartz, Hematite from Egremont, West Cumberland Iron Field, North and Western Region (Cumberland), Cumbria, England, UK [db_pics/mdpics/MD-156304a.jpg]](db_pics/mdpics/MD-156304a.jpg)
![Quartz, Hematite from Jinlong hill, Lungchuan (Longchuan) Co., Heyuan Prefecture, Guangdong Province, China [db_pics/mdpics/MD-156310a.jpg]](db_pics/mdpics/MD-156310a.jpg)
![Quartz (Var: Amethyst) from Statesville, Iredell Co., North Carolina, USA [db_pics/mdpics/MD-156323a.jpg]](db_pics/mdpics/MD-156323a.jpg)
![Epidote, Quartz from Green Monster Mountain, Prince of Wales Island, Prince of Wales-Outer Ketchikan Borough, Alaska, USA [db_pics/mdpics/MD-156368a.jpg]](db_pics/mdpics/MD-156368a.jpg)
![Fluorite, Quartz from Xianghualing Mine (Hsianghualing Mine), Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-157145a.jpg]](db_pics/mdpics/MD-157145a.jpg)
![Quartz, Sphalerite from 2nd Sovietskii Mine (2nd Sovietskiy Mine), Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-157149a.jpg]](db_pics/mdpics/MD-157149a.jpg)
![Elbaite, Quartz, Calcite from Stak Nala, Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-157151a.jpg]](db_pics/mdpics/MD-157151a.jpg)
![Tourmaline, Quartz from Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; [db_pics/mdpics/MD-157155a.jpg]](db_pics/mdpics/MD-157155a.jpg)
![Elbaite, Quartz from Barra de Salinas district, Barra de Salinas, Coronel Murta, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-157156a.jpg]](db_pics/mdpics/MD-157156a.jpg)
![Fluorite, Quartz from Xianghualing Mine (Hsianghualing Mine), Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-157167a.jpg]](db_pics/mdpics/MD-157167a.jpg)
![Limonite, Pyrite, Quartz from Diamantina, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-157185a.jpg]](db_pics/mdpics/MD-157185a.jpg)
![Limonite, Pyrite, Quartz from Diamantina, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-157185b.jpg]](db_pics/mdpics/MD-157185b.jpg)
![Calcite, Quartz, Marcasite from San Antonio Mine (San Antonio el Grande Mine), East Camp, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-157187a.jpg]](db_pics/mdpics/MD-157187a.jpg)
![Elbaite, Quartz from Darra-i-Pech (Pech; Peech; Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan [db_pics/mdpics/MD-157188a.jpg]](db_pics/mdpics/MD-157188a.jpg)