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Mineral Specimens with Quartz
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7.3 x 6.2 x 5.2 cm. A CLASSIC, OLD-TIME combination specimen from the Swiss Alps. A very glassy, complete all-around, zoned smoky quartz crystal is highlighted by six, lustrous and striated anatase crystals to 6 mm aesthetically scattered on two of the quartz crystal faces that are preferentially coated with iron oxides. This SHOWY piece, from the Richard Hauck Quartz Collection is accompanied by a Hugh Ford label, a very prominent English dealer living in the United States.
2.9 x 2.0 x 1.0 cm. A sculptural and aesthetic gold toenail from the famous Eagle’s Nest Mine. Bright, golden-yellow, spinel-twinned and microcystalline gold is beautifully twisted above the milky quartz pedestal.
4.3 x 3.7 x 3.0 cm. An UNCOMMON and very showy combination specimen from the East Colusa Mine at Butte. Baryte is a widespread, but uncommon gangue mineral at Butte. This excellent and nearly undamaged piece features a "mountain range" of jagged, tabular, translucent and pearlescent baryte crystals jutting upward from matrix covered by needle quartz. The baryte is flanked on both sides by lustrous, olive-green sphalerite crystals, another uncommon occurrence with baryte at Butte. Classic, old-time, uncommon and desirable Butte material from the John Ydren Collection.
8.4 x 6.3 x 5.7 cm. A druse of snow white, quartz crystals is the matrix for color contrasting, splendent, battleship gray, short prismatic, striated, crystals of enargite. The largest enargite crystals reach .7 cm across. A few crystals are even doubly terminated. The contrast is striking between the lustrous enargite an dthe beautiful underelaying quartz! Collected at least 50 years ago. Tim Blackwood Collection.
7.9 x 4.4 x 3.7 cm. Despite a natural contact and some minor edge-wear (one tip is dinged), this is a REALLY impressive example of a clear quartz crystal shot through with shimmering, golden acicular crystals of rutile. They are spread liberally through the crystal, so you can see them flashing everywhere - particularly since the faces of the crystal are glassy and the interior is glassy-transparent as well. What is really cool is that this is a complete, DOUBLY-TERMINATED floater crystal - and large! Ex. Richard Hauck Collection.
16.3 x 8.9 x 3.8 cm. A large plate of milky quartz crystals covered with a gorgeous subsequent growth of small, sparkly, pastel-pink rhodochrosite crystals. A large, rich, beautiful Eastern European rhodo specimen from years ago. Now, these mines aren’t producing. Once common enough on the market, Romanian pieces of this size and quality overall are pretty tough to obtain now, especially in rhodochrosite.
8.0 x 4.6 x 4.2 cm. This cluster of transparent quartz crystals would not be especially notable for Arkansas, but for California, it is quite good. A large crystals lies down horizontally on a bed of smaller crystals, and at the end of the specimen is a pretty vertical spray of really gemmy ones.
6.4 x 4.1 x 2.4 cm. A superb Dal’negorsk sphalerite/quartz combination specimen. Here, the two rounded sphalerite crystals have hundreds of little flashing faces.
9.9 x 6.4 x 3.9 cm. Slender, gemmy quartz crystals rise from a matrix of intergrown rosettes of bladed hematite. Many of the quartz crystals have inclusions of hematite crystals inside, having engulfed them as they grew. The gently curving matrix gives this specimen a wonderfully aesthetic form.
11.4 x 2.9 x 2.7 cm. A fine single, floater quartz prism from Arkansas, with a small crystal growing out of its side. One of the two terminations grew against something, so there is a natural contact at that end. Silky luster, with micro-striations. The crystal looks a bit murky in the photos because the quartz is picking up reflections from two of the faces that have natural etching. In person, it has glassy transparency. Ex. Richard Hauck Collection.
8.9 x 5.2 x 4.5 cm. A superb old Ouray quartz specimen out of the Richard Hauck Collection. The main crystal has these unique crenellations along its side faces towards the top, like little turrets on a castle! Smaller crystals are garlanded around the bottom of the main one.
7.9 x 6.9 x 5.0 cm. It is worth knowing that this specimen came from the noted Arizona-specialized dealer/collector Evan Jones. The Evan Jones label shows it to have been collected in 1997. It apparently went from him to collector Dave Stoudt in 1998, according to the Stoudt label. Chrysocolla covered with drusy quartz is classic from this locality. But this specimen is special, not just due to its size, but also its form - large stalactitic fingers, growing in parallel. A few of these fingers are broken-off, probably a necessity in getting this out of the pocket, but thankfully, they are in back. And, in truth, the broken-off ones are cool in that they give you a look inside, where you can see what is actually GEMMY, transparent chrysocolla of an intense, almost fluorescent blue-green. A fine specimen and very hard to obtain in this quality and size.
11.1 x 9.4 x 6.8 cm. A LARGE plate of what is now "the" familiar Tongbei combo: a field of bright, flashy, gemmy little spessartines in combination with smoky quartz points on a stark white feldspar matrix. The large compound crystal of smoky quartz measures 4 cm in height. Beautiful!
6.5 x 3.8 x 2.8 cm. Extremely rare now on the market, a superb GREEK amethyst specimen, with sceptering and a combination of amethystine and smoky tones that are both reminiscent of Brandberg. But, of course, this is much rarer - particularly in this quality. It is an old specimen out of the Hauck Collection.
9.0 x 5.9 x 5.4 cm. Russian citrine specimens are VERY hard to come by. The main crystal here measures 9 cm in length, and is a fine gemmy golden-yellow through the top half. Those are natural internal fractures inside the termination, not damage! Sits attractively on a natural quartz "base".
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Rob Lavinsky, rob@irocks.com
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share specimen![Anatase, Quartz (Var: Smoky Quartz) from Switzerland [db_pics/mdpics/MD-172411a.jpg]](db_pics/mdpics/MD-172411a.jpg)
![Anatase, Quartz (Var: Smoky Quartz) from Switzerland [db_pics/mdpics/MD-172411b.jpg]](db_pics/mdpics/MD-172411b.jpg)
![Gold, Quartz from Eagle's Nest Mine (Mystery Wind Mine), Placer Co., California, USA [db_pics/mdpics/MD-172414a.jpg]](db_pics/mdpics/MD-172414a.jpg)
![Baryte, Sphalerite, Quartz from East Colusa Mine, Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-172423a.jpg]](db_pics/mdpics/MD-172423a.jpg)
![Enargite, Quartz from Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-173234a.jpg]](db_pics/mdpics/MD-173234a.jpg)
![Quartz, Rutile from Ibitiara, Bahia, Northeast Region, Brazil [db_pics/mdpics/MD-173441a.jpg]](db_pics/mdpics/MD-173441a.jpg)
![Rhodochrosite, Quartz from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-173443a.jpg]](db_pics/mdpics/MD-173443a.jpg)
![Quartz from Crystal Hill, Deep Spring Valley Area, Inyo Co., California, USA [db_pics/mdpics/MD-173444a.jpg]](db_pics/mdpics/MD-173444a.jpg)
![Sphalerite, Quartz from Nikolaevskiy Mine, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-173452a.jpg]](db_pics/mdpics/MD-173452a.jpg)
![Quartz, Hematite from Lechang Mine, Lechang Co., Shaoguan Prefecture, Guangdong Province, China [db_pics/mdpics/MD-173463a.jpg]](db_pics/mdpics/MD-173463a.jpg)
![Quartz from Mt Ida, Montgomery Co., Arkansas, USA [db_pics/mdpics/MD-173464a.jpg]](db_pics/mdpics/MD-173464a.jpg)
![Quartz from Ouray, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA [db_pics/mdpics/MD-173465a.jpg]](db_pics/mdpics/MD-173465a.jpg)
![Chrysocolla, Quartz from Ray Mine, Scott Mountain area, Mineral Creek District (Ray District), Dripping Spring Mts, Pinal Co., Arizona, USA [db_pics/mdpics/MD-173471a.jpg]](db_pics/mdpics/MD-173471a.jpg)
![Spessartine, Quartz (Var: Smoky Quartz) from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-173472a.jpg]](db_pics/mdpics/MD-173472a.jpg)
![Quartz (Var: Amethyst) from Dráma Prefecture, Macedonia Department, Greece [db_pics/mdpics/MD-173473a.jpg]](db_pics/mdpics/MD-173473a.jpg)
![Quartz (Var: Citrine) from Olkhovka, Tyumenskaya Oblast', Polar Urals, Western-Siberian Region, Russia [db_pics/mdpics/MD-173523a.jpg]](db_pics/mdpics/MD-173523a.jpg)