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Mineral Specimens with Quartz
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5.3 x 4.5 x 3.8 cm. Columnar crystals and needles of lustrous, wine-red rutile are aesthetically scattered in the sculptural, massive, milky quartz matrix on this fine old-time specimen from a classic Pennsylvania rutile locale - Parkesburg. The large crystal is 2.7 cm and is naturally bent. Rutiles of this quality were collected in the early to middle 19th Century. Comes with an expertly handwritten, faded label from an older collection. The collection this came out of was a museum stash dating to prior to World War I.
7.3 x 6.5 x 4 cm. An outstanding pair of large (up to 3.5 cm) very dark and highly lustrous twinned Sphalerites. Combined with the distinctive long and slender Quartz crystals, this makes a wonderful combination. Very aesthetic. Ex. Martin Lewadny Collection.
12.8 x 7.8 x 4.8 cm. What makes this combination specimen of schorl and aquamarine special is that it also contains two spear-like crystals of smoky quartz, to 4.5 cm in length. Quartz seems rare in this pocket at least. Furthermore, this plate of feldspar matrix is smothered by lustrous, black schorl crystals to 2.75 cm across; and a bevy of glassy and gemmy, intensely-colored, blue aquamarine crystals to 4.0 cm in length. Finally, the right side of the specimen is coated liberally by hyalite opal. From the new find of late summer 2009.
A SUPERB and aesthetic cluster of gemmy dark grass-green uvite crystals to 1.0 cm sprinkled with lustrous transparent magnesite crystals. There is a doubly-terminated and transparent 1.5 cm long quartz crystal with an uvite crystal perched on one termination! A gorgeous and pristine specimen. 4.0 x 3.9 x 3.0 cm
A half-dozen thick, terminated hubnerite crystals, separated and staggered dimensionally back on a cluster of quartz needles – very elegant and classic example of the find! 6.5 x 4.9 x 4.0 cm
AN INCREDIBLE and UNIQUE Indian CABINET specimen of two complete and pristine, translucent, golden-amber , mushroom-shaped, yellow fluorite crystals to 5.0 cm . They sit on crystallized quartz matrix flanking a quartz cast after a dissolved apophyllite crystal from Mahodari. The bottom of the pseudomorphed cast is open and leads to a hollow cavity! Truly a one-off specimen! Valued at $1500. This is an AMAZING specimen that is unlike any others we have seen on overall aspect, though of course there were some of these odd botryoidal fluorites available for awhile (now not as common). Botryoidal fluorite in general is very rare and from other localities tends to be ugly and grayish, whereas these translucent amber-colored fluorites from India make for much more spectacular display pieces. THis one, I think, kinda looks like a frog. 11.6 x 10.6 x 6.7 cm
A showy cluster of blue quartz coating chrysocolla stalactites from the famous Ray Mine of Arizona. One side of the cluster is contacted, but does not diminish the beauty of this piece. 6.5 x 3.4 x 1.9 cm
A gorgeous and very showy transparent to translucent, lustrous and partially etched doubly terminated smoky quartz crystal from Minas Gerais, Brazil. Complete all-around as you can see, and with only very trivial damage to two edges. Ex Gene Meieran Collection. 6.2 x 5.5 x 3.3 cm
Brilliant metallic specular hematite blades on massive hematite matrix with a single transparent quartz crystal from the iron mines of Cumbria, England. Classic and old material. MUCH BETTER IN PERSON. The high lustre is very difficult to capture on photos. Old dealer stock of Dr. Gary Hansen and not shown since the early 1980s! 4.5 x 4.3 x 2.1 cm
A very showy and old specimen of lustrous and translucent pink calcite scalenohedrons in a quartz-lined geode from St. Francisville, Missouri. Old material of dealer Dr. Gary Hansen and not shown since the early 1980s! 9.6 x 8.3 x 7.0 cm
An aesthetic cluster of lustrous quartz crystals, coloured yellow by iron oxides, from South Africa. Preferential second generation overgrowths of tiny sparkly crystals on the crystal sides add pizzazz. A bit of periphery damage, but certainly nothing in excess. 5.4 x 5.3 x 5.0 cm
A pristine and aesthetic cluster of lustrous water-clear quartz crystals from a very uncommon Colombia locality, the Alto de Cruces Mine. Old dealer stock of Dr. Gary Hansen and not shown since the early 1980s! 5.3 x 5.2 x 3.5 cm
5.2 x 3.4 x 3.1 cm. A highly unusual piece that shows something bizarre happened in this pegmatite pocket. The crystal of schorl is dissolved inwards from the top, with the clear remnants of what was once a sharp termination and is now like a volcano's caldera, with a sunken pit inside. Shooting up from the middle of that pit is a quartz crystal.
8.9 x 6.6 x 3.7 cm. This is a very lustrous, sparkling specimen which features a string of rose quartz running down the middle of a quartz shard. The quartz directly under the rose quartz is crystallized, though in flat-laying crystals. The rose quartz comes up 3-dimensionally from that surface and splays out nicely. Individual rose quartz crystals are quite gemmy, and to 1.5 cm. Unusual aesthetics. This is the old rose quartz mine located on hard-to-work ground that is sometimes flooded, as it is located in the middle of the river - literally, this is what its place name means.
8.5 x 6.0 x 3.9 cm. A sparkling, very lustrous quartz crystal is host to a few intense yellow lepidolites here. The quartz is doubly terminated and is complexly terminated by parallel growth tips, hence the nickname for this style in Brazil of "cathedral quartz". Weighs 188 grams.
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Rob Lavinsky, rob@irocks.com
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share specimen![Rutile, Quartz from Parkesburg, Sadsbury Township, Chester Co., Pennsylvania, USA [db_pics/mdpics/MD-264141a.jpg]](db_pics/mdpics/MD-264141a.jpg)
![Rutile, Quartz from Parkesburg, Sadsbury Township, Chester Co., Pennsylvania, USA [db_pics/mdpics/MD-264141b.jpg]](db_pics/mdpics/MD-264141b.jpg)
![Beryl (Var: Aquamarine), Schorl, Quartz (Var: Smoky Quartz), Opal (Var: Opal-AN) from Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia [db_pics/mdpics/MD-264172a.jpg]](db_pics/mdpics/MD-264172a.jpg)
![Uvite, Magnesite, Quartz from Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Northeast Region, Brazil [db_pics/mdpics/MD-26418a.jpg]](db_pics/mdpics/MD-26418a.jpg)
![Hübnerite, Quartz from Huayllapon Mine, Pasto Bueno District, Pallasca Province, Ancash Department, Peru [db_pics/mdpics/MD-26434a.jpg]](db_pics/mdpics/MD-26434a.jpg)
![Fluorite, Quartz, Apophyllite from Mahodari, Nasik District, Maharashtra, India [db_pics/mdpics/MD-26445a.jpg]](db_pics/mdpics/MD-26445a.jpg)
![Quartz, Chrysocolla from Ray Mine, Scott Mountain area, Mineral Creek District (Ray District), Dripping Spring Mts, Pinal Co., Arizona, USA [db_pics/mdpics/MD-26448a.jpg]](db_pics/mdpics/MD-26448a.jpg)
![Quartz (Var: Smoky Quartz) from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-26456a.jpg]](db_pics/mdpics/MD-26456a.jpg)
![Hematite, Quartz from West Cumberland Iron Field, North and Western Region (Cumberland), Cumbria, England, UK [db_pics/mdpics/MD-26458a.jpg]](db_pics/mdpics/MD-26458a.jpg)
![Calcite, Quartz from St. Francisville, Warsaw geodes, Clark Co., Missouri, USA [db_pics/mdpics/MD-26477a.jpg]](db_pics/mdpics/MD-26477a.jpg)
![Quartz from Boekenhoutshoek area (Boekenhouthoek), Mkobola district, Mpumalanga Province, South Africa [db_pics/mdpics/MD-26483a.jpg]](db_pics/mdpics/MD-26483a.jpg)
![Quartz from San Cristobal pegmatite, Santander Department, Colombia [db_pics/mdpics/MD-26485a.jpg]](db_pics/mdpics/MD-26485a.jpg)
![Quartz, Schorl from Conselheiro Lafaiete (old Queluz de Minas), Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-265744a.jpg]](db_pics/mdpics/MD-265744a.jpg)
![Quartz (Var: Rose Quartz), Quartz from Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-265748a.jpg]](db_pics/mdpics/MD-265748a.jpg)
![Lepidolite, Quartz from Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-265753a.jpg]](db_pics/mdpics/MD-265753a.jpg)