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Mineral Specimens with Quartz
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3.0 x 0.7 x 0.6 cm. This fine piece is a rarity among Quartz specimens as it is a combination of a "Gwindel" (twisted) and "Faden" (string) in the same specimen. It has a pastel smoky color, but due to the razor sharp faces, crystal clarity and high luster, the "Faden" within is very easy to see, running the length of the specimen. This specimen was collected on Mt Blanc over the summer, in 2008.
4.0 x 3.9 x 2.1 cm. An aesthetic cluster of partially gemmy, highly lustrous, reddish-orange wulfenite crystals perched atop quartz-rich matrix from the Red Cloud Mine. The large crystal is 1.2 cm and all of the crystals have distinctive beveled edges. The sculptural matrix is beautifully accented with small wulfenites. This piece is from the 2003 Red Gem Pocket.
7.4 x 5.8 x 2.5 cm. A classic, old-time and superb combination specimen from a historic French locale - Allevard, Rhone-Alpes. Water-clear, glassy quartz crystals are set upright on the thin matrix plate amidst lustrous, striated, translucent, olive-green siderite rhombs. The large siderite rhomb is 2.4 cm. Ex. George Elling Collection.
10.5 x 8.2 x 3.0 cm. A superb, old-time, classic specimen of sharp, striated, lustrous, dark metallic-gray chalcocite prisms richly covering the drusy quartz-covered matrix plate from the Bristol Copper Mine, Connecticut. 100+ years old. The accompanying Larry Conklin label states that the piece was purchased from Ward’s in 1940.
Tapered "reverse scepter" crystals of Amethyst sitting atop modified rhombohedra of Calcite on matrix. The largest Amethyst measures 2.1 cm and has a hoppered face on the display side of the crystal. 5.8 x 3.3 x 3 cm
This specimen is one of the BEST for its size that I have seen from the find of bizarre etched quartzes at the Shangbao Mine. These quartzes are distinguished by skinny "stems" or tails on their back ends. However, this one actually has a "base" with thin quartzes sticking up on it, and the cluster of large quartz crystals is attached to the base by three of these stems. It is better in person - a really strange and beautiful quartz specimen unlike anything you will see from any other locality. 6 x 6 x 4 cm
6.5 x 5.9 x 4.9 cm. This amazing quartz crystal combines two fascinating growth phenomena in one specimen: skeletal "elestial" growth and sceptering. On the termination of a normal quartz crystal has grown a sceptre cap - but rather than being the typical sceptre with the appearance of a normal quartz termination, it has the unusual architectural, skeletal growth style known as "elestial", with the pyramidal form repeated over and over in the subcrystals. Ex. Richard Hauck Collection.
10.9 x 7.8 x 6.4 cm. This pretty, striated, compound crystal of pyrite is isolated on the bed of milky quartz crystals. There are clusters of pyrites around the sides as well. This piece, from the classic Mexican locality of Zacatecas, came out of the collection of Dave Stoudt - he bought it from a dealer on a trip to Bisbee in 1996.
A beautiful combination piece of a sharply terminated transparent quartz crystal with highly lustrous golden rutile needle stars with lustrous hematite centers. This piece is very unusual, in that there are interior and exterior rutile/hematite clusters. 4.5 x 3.2 x 2.9 cm
4.8 x 3.8 x 2.9 cm. On one end of this field of milky quartz crystals is a patch of smaller crystals, and on the other end is a single large, fine crystal measuring 2 cm along the edge. This fine miniature was from an unusual batch that came out combining the usual "Blanchard Blue" (teal) color with purple highlights.
A classic old-time CABINET Weardale, England specimen of lustrous, sparkly colorless quartz points on purple fluorite cubes. The large fluorite cube is 4.8 x 3.9 cm and it really makes this a visually attractive specimen. Trivial, trivial damage to an edge and corner of the large fluorite is barely noticeable and certainly does not impair this beautiful piece. The fluorite has beautiful purple fluorescence very characteristic of this classic material that in fact provided the very namesake specimens for coinage of the term fluorescence! HUGE crystal for the material, and overall a huge and attractive piece. 14.5 x 11.5 x 6.5 cm
11.9 x 7.9 x 7.5 cm. A large and superb specimen from Peru, out of the collection of Ed David. Here you have a hill of beautifully crystallized sphalerite, with bursts of slender, transparent, elegant quartz crystals shooting out all over.
14.4 x 12.9 x 6.9 cm. A large, ornate and quite unusual Chinese specimen out of the J.R. Glover Collection. The quartz crystals contain little black inclusions of hubeite, a strange sorosilicate mineral only recently identified (found first at the Daye Mine, also in Hubei Province, and named after this province). At some point the quartz crystals here were sprinkled with these little black hubeites, and then growth continued, so they are now enclosed under thin sheet of quartz (rather than being on the surface of the crystals) as inclusions. Shiny golden pyrite adds an attractive accent to the specimen.
4.2 x 3.9 x 3.8 cm. A superb miniature Las Vigas amethyst. It is the isolation of the purple color and the gemminess of the crystals that makes these so special - and occasionally, you see these beautiful sceptred crystals as well. Ex. Tate Collection.
10.1 x 8.8 x 4.9 cm. Here you have amethyst of the form that sometimes forms the so-called "flowers" from Irai - but at the other end, two complete, rounded calcite crystals alternating a light golden color with snowy white. The white could be a mineral inclusion, but appears to possibly be from intense surface crackling during the growth of the crystal that was then enclosed by later growth. Ex. Richard Hauck Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz (Var: Smoky Quartz) from Mt Blanc Massif, Chamonix, Haute-Savoie, Rhône-Alpes, France [db_pics/mdpics/MD-196056a.jpg]](db_pics/mdpics/MD-196056a.jpg)
![Wulfenite, Quartz from Red Cloud Mine, Silver District, Trigo Mts, La Paz Co., Arizona, USA [db_pics/mdpics/MD-196085a.jpg]](db_pics/mdpics/MD-196085a.jpg)
![Wulfenite, Quartz from Red Cloud Mine, Silver District, Trigo Mts, La Paz Co., Arizona, USA [db_pics/mdpics/MD-196085b.jpg]](db_pics/mdpics/MD-196085b.jpg)
![Siderite, Quartz from Allevard, Isère, Rhône-Alpes, France [db_pics/mdpics/MD-196092a.jpg]](db_pics/mdpics/MD-196092a.jpg)
![Chalcocite, Quartz from Bristol Copper Mine, Bristol, Hartford Co., Connecticut, USA [db_pics/mdpics/MD-196097a.jpg]](db_pics/mdpics/MD-196097a.jpg)
![Chalcocite, Quartz from Bristol Copper Mine, Bristol, Hartford Co., Connecticut, USA [db_pics/mdpics/MD-196097b.jpg]](db_pics/mdpics/MD-196097b.jpg)
![Quartz (Var: Amethyst) from Bombori, Chayanta Province, Potosà Department, Bolivia [db_pics/mdpics/MD-19635a.jpg]](db_pics/mdpics/MD-19635a.jpg)
![Quartz from Shangbao Pyrite mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China [db_pics/mdpics/MD-19640a.jpg]](db_pics/mdpics/MD-19640a.jpg)
![Quartz from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-196764a.jpg]](db_pics/mdpics/MD-196764a.jpg)
![Pyrite, Quartz from Concepción del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico [db_pics/mdpics/MD-196781a.jpg]](db_pics/mdpics/MD-196781a.jpg)
![Quartz from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-19680a.jpg]](db_pics/mdpics/MD-19680a.jpg)
![Fluorite, Quartz from Blanchard Mine (Portalas-Blanchard Mine), Bingham, Hansonburg District, Socorro Co., New Mexico, USA [db_pics/mdpics/MD-196811a.jpg]](db_pics/mdpics/MD-196811a.jpg)
![Quartz, Fluorite from Weardale, North Pennines, Co. Durham, England, UK [db_pics/mdpics/MD-19682a.jpg]](db_pics/mdpics/MD-19682a.jpg)
![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-196844a.jpg]](db_pics/mdpics/MD-196844a.jpg)
![Quartz, Hubeite, Pyrite from Ezhou Prefecture, Hubei Province, China [db_pics/mdpics/MD-196850a.jpg]](db_pics/mdpics/MD-196850a.jpg)
![Quartz (Var: Amethyst) from Mun. Las Vigas de RamÃrez (Mun. de Profesor Rafael RamÃrez), Veracruz, Mexico [db_pics/mdpics/MD-196861a.jpg]](db_pics/mdpics/MD-196861a.jpg)
![Quartz (Var: Amethyst) from Mun. Las Vigas de RamÃrez (Mun. de Profesor Rafael RamÃrez), Veracruz, Mexico [db_pics/mdpics/MD-196861b.jpg]](db_pics/mdpics/MD-196861b.jpg)
![Calcite, Quartz (Var: Amethyst) from IraÃ, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-196863a.jpg]](db_pics/mdpics/MD-196863a.jpg)