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Mineral Specimens with Quartz
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Acicular crystals of rutile shooting through a transparent, wonderfully-terminated quartz crystal. 7.8 x 3.6 x 3.1cm
A sharp, 7 mm (NOTE SIZE), yellow-orange quartz pseudomorph after wulfenite nicely set on gray, botryoidal, drusy quartz matrix from the famous Finch Mine of Arizona. The dusting of iron oxides adds character to this fine piece. This is one of the rarest Arizona replacement specimens available on the market. The back and bottom have been sawed to enhance display. Excellent representative specimen of this material 3.5 x 3.3 x 1.7 cm
A CLASSIC, EXTREMELY FINE and VERY RICH, CABINET Emma Mine, Butte specimen of lustrous, light pink rhodochrosite crystals to 1.5 cm fully encrusting the front and one side of the matrix. The scattered sulfides and a few quartz crystals peppering the rhodo rhombs add character to this outstanding Butte specimen. This fine piece has multiple display possibilities, as you can see. These are US classics, many of them 40-50 years old now. 12.5 x 4.9 x 3.5 cm
A BEAUTIFUL specimen of lustrous, mirror-bright, brass-yellow, twinned chalcopyrite crystals to 1.4 cm nicely set on transparent, needle quartz-coated matrix with a few snow-white dolomite crystals from Cavnic, Romania. Choice material from this well-known locality, with trivial periphery damage. 5.5 x 4.7 x 3.3 cm
A DRAMATIC and SHOWY CABINET specimen from the famous El Cobre Mine of Zacatecas, Mexico of lustrous/sparkly, translucent quartz crystals to 2.0 cm on matrix and partially coated with bright green, needle malachite crystals. An fine, old-time specimen with excellent architecture, and rare in such size and import. This is a very important mining district from which relatively few specimens ever came out. 13.5 x 9.0 x 7.0 cm
Gemmy and glassy, water-clear to opaque, coated phenakite crystals to 1.9 cm scattered on a DRAMATIC, doubly terminated, partially transparent, LARGE CABINET smoky quartz crystal from the famous Klein Spitzkoppe of Namibia. This old piece comes with a Vienna, Austria - label in German. Very, very trivial damage overall, for such a large piece. Probably from the early days of mining here in early 1900s 24.0 x 4.4 x 2.3 cm
This is a huge plate of fine, sharp fluorites to 2.5 cm, with DISTINCT purple-edged phantoms inside! The solution in the pocket changed right at the end of the growth of the original generation of crystals, leaving them with dark purple outlines. Later, growth continued, engulfing these purple-outlined crystals with more of the teal-colored fluorite. Some of the phantom crystals were coated with a bit of quartz druse, making them stand out even more distinctly. A few quartz points stick up amidst the fluorites. There are a few dings, but overall the specimen is in good shape. 17 x 17 x 8.5 cm
Intense purple tones inside of clear quartz, characteristic of fine amethysts from Guerrero, characterize this beautiful specimen. The strange "ingrown" tip of the large crystal is a natural anomaly, not contact or damage. There are a couple of unterminated crystals at the periphery that do not detract , and a few slight contacts on very close inspection, but really this is a fabulous display piece and of a quality hard to get and rare een when they were in their mining heyday. This darkest color was and remains the best! 8.5 x 6.5 x 5 cm
A good Japan Law is a nice thing to have anytime, but to find on with good luster and included with Epidote makes this a gem in its own right. 2 x 1.6 x .4 cm
A doubly-terminated Barite completely and attractively replaced by agate. A petrified Barite, if you will. Cool. 1.8 x .8 x .8 cm
2.3 x 2 x 1.5 cm. Good Hydroxylherderites are hard to find. The main crystal is 1.1 cm tall, with excellent luster, good clarity, and very good form. Even all the secondary crystals are excellent on this specimen. Henry Minot specimen.
Superlative Copper from one of the world’s great localities. The Copper is very well-crystallized, led by a sharp euhedral 1 cm , HOLLOW, crystal. These crystals are intergrown with numerous quality quartz crystals. This is a great thumb! 2.8 x 1.5 x 1.5 cm
A flat cousin to the herkimers, this Quartz crystal is gemmy through and through, with very sharp edges and interesting form. There is only a little conchoidal fracture along the bottom edge, which is undoubtedly the attachment point. Interesting and attractive crystal, better in person. 2.5 x 2 x .9 cm
One set of twins is nice, two is pretty rare, but three is amazing, especially when it is the dramatic appeal you find in a large thumb! Three sets of Japan Law twins set in one tight cluster. The quartz crystals are frosted to gemmy, with an equally frosted to glassy luster. Fortunately, there are only a few dings, but they do little to detract from the specimen. Even better in person. Rare to find these so small, that a thumb can be taken out... 3 x 2.7 x 2.4 cm
On a large plate of flashy chalcopyrite has grown a thick cluster of glittering calcite of TWO subtly different forms of sparkling-white, stick-like parallel crystals intermixed with each other. Drusy quartz adds more sparkle to the matrix , covering much of the chalcopyrite and accenting the base of the calcite cluster as well. They apparently formed at the same time, in various places each type has formed on top of the other. A large, dramatic Eastern European specimen that is MUCH MUCH BETTER IN PERSON! 26 x 15 x 6.8 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz, Rutile from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-48258a.jpg]](db_pics/mdpics/MD-48258a.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-48271a.jpg]](db_pics/mdpics/MD-48271a.jpg)
![Rhodochrosite, Quartz from Emma Mine (Ancient Mine; Black Chief Mine), Butte, Butte District, Silver Bow Co., Montana, USA [db_pics/mdpics/MD-48283a.jpg]](db_pics/mdpics/MD-48283a.jpg)
![Chalcopyrite, Quartz, Dolomite from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-48285a.jpg]](db_pics/mdpics/MD-48285a.jpg)
![Quartz, Malachite from Cobre Mine, El Cobre, Mun. de Concepción del Oro, Zacatecas, Mexico [db_pics/mdpics/MD-48287a.jpg]](db_pics/mdpics/MD-48287a.jpg)
![Quartz (Var: Smoky Quartz), Phenakite from Klein Spitzkopje (Kleine Spitzkoppe) granite stock, Swakopmund, Swakopmund District, Erongo Region, Namibia [db_pics/mdpics/MD-48288a.jpg]](db_pics/mdpics/MD-48288a.jpg)
![Fluorite, Quartz from Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-48290a.jpg]](db_pics/mdpics/MD-48290a.jpg)
![Quartz (Var: Amethyst) from Amatitlán, Mun. de Zumpango del Rio, Guerrero, Mexico [db_pics/mdpics/MD-48294a.jpg]](db_pics/mdpics/MD-48294a.jpg)
![Quartz, Epidote from Prince of Wales Island, Prince of Wales-Outer Ketchikan Borough, Alaska, USA [db_pics/mdpics/MD-48326a.jpg]](db_pics/mdpics/MD-48326a.jpg)
![Quartz, Chalcedony (Var: Agate), Baryte from Mesa Co., Colorado, USA [db_pics/mdpics/MD-48812a.jpg]](db_pics/mdpics/MD-48812a.jpg)
![Hydroxylherderite, Quartz from Waisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford Co., Maine, USA [db_pics/mdpics/MD-48817a.jpg]](db_pics/mdpics/MD-48817a.jpg)
![Copper, Quartz, Epidote from Phoenix Mine, Phoenix, Keweenaw Co., Michigan, USA [db_pics/mdpics/MD-49058a.jpg]](db_pics/mdpics/MD-49058a.jpg)
![Quartz from Hickory Hill, Fonda, Mohawk Township, Montgomery Co., New York, USA [db_pics/mdpics/MD-49066a.jpg]](db_pics/mdpics/MD-49066a.jpg)
![Quartz from Patagonia Mts, Santa Cruz Co., Arizona, USA [db_pics/mdpics/MD-49068a.jpg]](db_pics/mdpics/MD-49068a.jpg)
![Calcite, Chalcopyrite, Quartz from Cavnic (Kapnic; Kapnik), Maramures Co., Romania [db_pics/mdpics/MD-49078a.jpg]](db_pics/mdpics/MD-49078a.jpg)