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Mineral Specimens with Quartz
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8.4 x 7.8 x 5.5 cm. A specimen of quartz replacing wulfenite crystals on a matrix covered with sparkly, drusy quartz from the Finch Mine of Arizona. The largest crystal is 3mm, many are pristine and the pseudomorphs are nicely translucent. This is a good representative specimen from this find. Ex. Harold Urish Collection.
10.5 x 8 x 5 cm. Harold self-collected this in 1994 (when he was pushing 70) by descending into the old workings of the 79 Mine. It is a beautiful and unusual, and large, specimen with glistening sugary quartz sprinkled in a very thin layer over large hemimorphite balls. All is in a complex, 3-dimensional matrix with pockets. Some small bits of calcite are the white material in association near the base of the piece. From the 3rd level. Ex. Harold Urish Collection.
9.6 x 5.8 x 4.8 cm. Four lustrous and striated anatase crystals to 1.1 are set on either side of the very narrow crest on this specimen from the Ed David Collection. The feldspar matrix is generously covered with two generations of quartz crystals, up to 3.7 cm long. The side with the least quartz coverage holds a 1.0 cm pair of crossed, doubly-terminated quartz crystals and a 6-7 mm brookite blade.
9.0 x 5.8 x 4.5 cm. A very interesting and uncommon combination specimen from the Tsumeb Mine. Green, malachite-coated tennantite crystals to 1.0 cm are scattered on the very 3-dimensional, mounded matrix of essentially solid, bladed to acicular quartz crystals. Quartz is relatively rare at Tsumeb and these are sharp, well-developed crystals. A bonus on the back/bottom is an isolated 5 mm wulfenite crystal. Ex. Rob Smith Collection.
6.0 x 4.3 x 3.7 cm. Gemmy, tabular, colorless bertrandite crystals to 9 mm are aesthetically scattered on the mounded, cemented matrix of quartz and smoky quartz crystals with accenting pyrite cubes. This specimen is from the Kara-Oba deposit of Kazakhstan.
10.5 x 10.4 x 4.4 cm. A strange, compound curved quartz crystal set in a cabinet quartz specimen from the Richard Hauck Collection and Minas Gerais, Brazil. All of the quartz crystals are very glassy, transparent to translucent and the clay inclusions are a striking accent. The 3.7 cm, doubly terminated crystal is beautiful. The curved crystal has very interesting, compound growth faces, as you can see. Some very unusual pocket forces here. This is actually a pristine, complete-all-around floater. Older material.
7.4 x 4.8 x 3.0 cm. A fine, twisted, smoky quartz gwindel with outstanding smoky color and gemminess from Switzerland. The crystal is nearly complete-all-around, has classic gwindel morphology and the contact on the back is out of sight. Ex. Harvard and Richard Hauck Collections. Probably around 100 years old, judging by the Harvard label accompanying the piece.
11.5 x 9.5 x 5.9 cm. These "textbook-perfect", highly lustrous, dark golden-yellow chalcopyrites are specimens from the past from the Alimon Mine at Hauron, Peru. A beautiful, two-sided, cabinet specimen, such as this, with water-clear quartz crystals, lustrous, black sphalerites and a scattering of striated pyrite cubes make for a classic and aesthetic combination piece. Some of the chalcopyrites are twinned and crystals reach 2.3 cm. The stunning backside of the piece is covered with radiating sprays of water-clear quartz crystals. Specimens such as this came out in the late 1980s to early 1990s, with none since. Ex. Richard Hauck Collection.
11.0 x 9.6 x 4.1 cm. A beautiful, jackstraw cabinet cluster of translucent, moderately lustrous, sharp, "dagger" quartz crystals from the Richard Hauck Collection. Older material from this classic Arizona locale.
14.0 x 4.8 x 4.8 cm. A pristine, impressive, complete-all-around cabinet smoky quartz crystal from the Richard Hauck Collection. This superb, gemmy giant is water-clear and has beautiful, intense smoky color. The stepped-growth patterns on all sides, near the termination, are fascinating and add character to the piece. It comes from a much less well-known locale - Sao Cristobal. Older material. Weighs 452 grams or 15.9 ounces.
17.7 x 10.0 x 7.4 cm. A fine large cabinet Indian specimen from recent finds at Jalgaon, India. Gemmy and lustrous, pastel-green to colorless, blocky apophyllite crystals with steep pyramidal to chisel terminations are scattered on the bowl-like basalt vug covered with sugary, drusy quartz. The isolated apophyllite on one end is 6.5 cm and is doubly terminated. A couple of pearlescent, pastel-pink stilbite blades are a very nice accent, especially the one doubly terminated stilbite embedded in the apophyllite crystal.
2.9 x 2.3 x 1.1 cm. Groutite is a rare manganese oxide. Lustrous needles of groutite, to 5 mm, are scatttered on both sides and the top of the ribbed, quartz-replaced petrified wood. This specimen is from a remarkable and so far unique find in 1975. A miner who’d worked in the area for years brought in a small lot of specimens to a rock shop owned by Lolette Dalbeck in Ridgecrest, California. Ex. Mullane Collection.
4.5 x 3.4 x 2.9 cm. A fine, two-sided cluster of intergrown, translucent, "Blanchard-blue" fluorite cubes to 1.6 cm from the Blanchard Mine of New Mexico. The lightly frosted cubes have nice purple edges and the fluorite cluster is perched atop a mounded cluster of complimentary quartz crystals.
4.2 x 2.2 x 1.7 cm. Stibiotantalite is a rare, rare-earth oxide and is very uncommon from the Himalaya Mine. This is a particularly rare specimen of brown stibiotantalite feathers richly included in a complete-all-around and pristine, water-clear quartz crystal set in feldspar matrix. Ex. Chuck Houser Collection.
7.8 x 7.4 x 4.4 cm. Gemmy and lustrous, orange and orange-red spessartine garnets to 5 mm attractively cover the matrix plate of feldspar. The two pristine, crossed, partially enveloped in spessartines, smoky quartz crystals 5.0 cm add to the aesthetics of this piece from recent finds at Tongbei, China. The two colors of spessartines on the same piece are not that common from Tongbei.
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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![Quartz, Wulfenite from Finch Mine (Barking Spider Mine), Reagan claims (Regan/Reagan Camp prospects; Lee Reagan property; Lee Reagan prospects; Kullman-McCool group), Keystone Gulch, Chilito, Hayden area [db_pics/mdpics/MD-230167a.jpg]](db_pics/mdpics/MD-230167a.jpg)
![Quartz, Wulfenite from Finch Mine (Barking Spider Mine), Reagan claims (Regan/Reagan Camp prospects; Lee Reagan property; Lee Reagan prospects; Kullman-McCool group), Keystone Gulch, Chilito, Hayden area [db_pics/mdpics/MD-230167b.jpg]](db_pics/mdpics/MD-230167b.jpg)
![Hemimorphite, Quartz from 79 Mine (79th Mine; Seventy-Nine Mine; Seventy-Nine property; McHur prospect), Chilito, Hayden area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA [db_pics/mdpics/MD-230187a.jpg]](db_pics/mdpics/MD-230187a.jpg)
![Hemimorphite, Quartz from 79 Mine (79th Mine; Seventy-Nine Mine; Seventy-Nine property; McHur prospect), Chilito, Hayden area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA [db_pics/mdpics/MD-230187b.jpg]](db_pics/mdpics/MD-230187b.jpg)
![Anatase, Quartz, Brookite from Kharan, Balochistan (Baluchistan), Pakistan [db_pics/mdpics/MD-230494a.jpg]](db_pics/mdpics/MD-230494a.jpg)
![Anatase, Quartz, Brookite from Kharan, Balochistan (Baluchistan), Pakistan [db_pics/mdpics/MD-230494b.jpg]](db_pics/mdpics/MD-230494b.jpg)
![Anatase, Quartz, Brookite from Kharan, Balochistan (Baluchistan), Pakistan [db_pics/mdpics/MD-230494c.jpg]](db_pics/mdpics/MD-230494c.jpg)
![Malachite, Tennantite, Quartz, Wulfenite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-230510a.jpg]](db_pics/mdpics/MD-230510a.jpg)
![Malachite, Tennantite, Quartz, Wulfenite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-230510b.jpg]](db_pics/mdpics/MD-230510b.jpg)
![Malachite, Tennantite, Quartz, Wulfenite from Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia [db_pics/mdpics/MD-230510c.jpg]](db_pics/mdpics/MD-230510c.jpg)
![Bertrandite, Quartz from Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan [db_pics/mdpics/MD-230541a.jpg]](db_pics/mdpics/MD-230541a.jpg)
![Bertrandite, Quartz from Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan [db_pics/mdpics/MD-230541b.jpg]](db_pics/mdpics/MD-230541b.jpg)
![Quartz from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-230551a.jpg]](db_pics/mdpics/MD-230551a.jpg)
![Quartz from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-230551b.jpg]](db_pics/mdpics/MD-230551b.jpg)
![Quartz (Var: Smoky Quartz) from St Gotthard pass area, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland [db_pics/mdpics/MD-230553a.jpg]](db_pics/mdpics/MD-230553a.jpg)
![Chalcopyrite, Quartz, Sphalerite 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-230557a.jpg]](db_pics/mdpics/MD-230557a.jpg)
![Quartz from Quartzite Mountain, (Stanley Butte [nearby]; Quartzite Mountain Garnets), Stanley District, Santa Teresa Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA [db_pics/mdpics/MD-230560a.jpg]](db_pics/mdpics/MD-230560a.jpg)
![Quartz (Var: Smoky Quartz) from São Cristobal, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-230561a.jpg]](db_pics/mdpics/MD-230561a.jpg)
![Apophyllite-(KF), Stilbite-Ca, Quartz from Jalgaon District, Maharashtra, India [db_pics/mdpics/MD-230565a.jpg]](db_pics/mdpics/MD-230565a.jpg)
![Groutite, Chalcedony (Var: Petrified Wood) from Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA [db_pics/mdpics/MD-230569a.jpg]](db_pics/mdpics/MD-230569a.jpg)
![Groutite, Chalcedony (Var: Petrified Wood) from Black Water Mine, Black Mesa Basin, Apache Co., Arizona, USA [db_pics/mdpics/MD-230569b.jpg]](db_pics/mdpics/MD-230569b.jpg)
![Fluorite, Quartz from Blanchard Mine (Portalas-Blanchard Mine), Bingham, Hansonburg District, Socorro Co., New Mexico, USA [db_pics/mdpics/MD-230576a.jpg]](db_pics/mdpics/MD-230576a.jpg)
![Stibiotantalite, Quartz from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-230577a.jpg]](db_pics/mdpics/MD-230577a.jpg)
![Spessartine, Quartz (Var: Smoky Quartz) from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-230580a.jpg]](db_pics/mdpics/MD-230580a.jpg)