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Mineral Specimens with Quartz
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9.3 x 7.1 x 7.1 cm. A fine cluster of glassy, smoky quartz crystals from the Aqshatau Mine of Kazakhstan. The left, isolated smoky has a phantom and the crystals on the right have unusual, white tips. The complete-all-around cluster is in excellent condition. The specimen was collected in 1990, according to the label. Ex. Hauck Collection.
10.3 x 5.4 x 4.8 cm. A lustrous, 2.5 cm, muscovite book is the highlight of this fine cabinet plate of very sharp, lustrous, cream-colored microcline crystals with a scattering of smoky quartz crystals from recent finds in the Andes Mountains of Argentina. The 2.5 cm, smoky quartz in the front is doubly terminated.
A really elegant example of this classic Norwegian combo, with small (to 3 mm), very sharp anatase crystals on and embedded in an exceptionally sharp and gemmy, slightly smoky quartz crystal. 6.5 x 2.5 x 2.1 cm
10.8 x 10.3 x 5.7 cm. A beautiful and unusually complete petrified and now silicified limb of a tree, preserved intact as replaced by quartz variety chalcedony. Beautiful in its natural form - most of these were cut and carved before they reached the market. Old material.
6.9 x 4.1 x 3.8 cm. A totally gemmy, limpid, water clear, brilliant quartz crystal perched on matrix. Rare material found in very, very hard septarian concretions here. The crystal is about 1 cm.
10.1 x 6.2 x 2.0 cm. A beautiful and unusually gemmy, attractive slice from a petrified and now silicified limb of a tree, preserved intact as replaced by quartz variety chalcedony. This slice shows the full rind of the trunk surface, all around. Old material.
A dramatic, uncommon and unusual combination specimen for the locality – and beautiful too, I think. It features a wide, flat smoky, with a sharp, terminated microcline crystal growing at an angle from the base. The termination of the smoky has grown around a bit of matrix, but it does not detract from the stark elegance of this piece. 10.5 x 4.5 x 3.8 cm
7.5 x 6.5 x 2.2 cm. An uncommon Arizona dioptase of unusually high quality for the locale, the Morenci Mine, featuring bright green microcrystals on a bubbly/botryoidal bed of contrasting sparkly, drusy quartz. Choice material for the locality for richness, intense color, aesthetics.
A dramatic smoky quartz, amazonite and feldspar CABINET specimen from Teller Co., Colorado. This is large unrepaired piece with a nice large, blue amazonite crystal and lustrous, translucent smoky quartz crystals. IN the context of this large specimen, the few minor dings on the quartz terminations don''t visually detract very much. It is rare to find affordable large smoky/amazonite combo pieces and in any case most of them are repaired, though this one notably is not! 13.8 x 12.8 x 9.5 cm
From the exciting recent finds at Las Vigas, the crystals on this specimen show the clarity and the delicate purple blush that makes this locality one of the few that produces amethyst specimens worthy of fine collections. Crystals are to 1.5 cm, with no damage! 5.8 x 4.0 x 2.5 cm
5.7 x 4.9 x 4.3 cm. An interesting looking, old-time specimen from the very well-named Devils Head area of Colorado. Five sharp, lustrous, nearly transparent smoky quartz crystals to 3.0 cm are aesthetically attached to the sides of a sharp, microcline "mountain peak" crystal. Ex. Richard Hauck Collection.
I do not bother with pyrite specimens unless they are exceptional, such as this fine little mini with a perfect, mirror-bright cube nestled amongst gemmy quartz needles. 3.9 x 2.8 x 2.5 cm
2.5 x 2.5 x 2.3 cm (largest). An old-time collection (1954) of about 102 classic, single Herkimer quartz "diamonds" from Middleville, New York. The sharp, water-clear, quartz crystals range from 2.5 cm to 1 mm in size. Ex. Richard Hauck Collection.
9.0 x 8.0 x 6.5 cm. A fine cluster of three sharp, intergrown quartz crystals from Dal’negorsk, Russia. These lightly frosted, damage-free, translucent crystals look rose-red, when light is shown on the front of the specimen, but are a more orangey hue, when backlit. Two of the spires are preferentially coated with drusy quartz on their backsides. Very uncommon in this size, quality and color from Dal’negorsk.
9.0 x 8.7 x 3.1 cm. A sculptural specimen from the Elmwood Mine. Glassy calcite crystals, some doubly terminated, and two clusters of ruby-jack sphalerite crystals are aesthetically scattered on the naturally fractured plate of silicified limestone, that is covered with sparkly, drusy quartz crystals. Quartz is really not that common from Elmwood, so this is an exceptional combination piece. Ex. Mullane Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz (Var: Smoky Quartz) from Aqshatau Mine, Aqshatau (Akchatau; Akschatau; Akchataul), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan [db_pics/mdpics/MD-230582a.jpg]](db_pics/mdpics/MD-230582a.jpg)
![Muscovite, Microcline, Quartz (Var: Smoky Quartz) from Papachacra, Belen Department, Catamarca, Argentina [db_pics/mdpics/MD-230600a.jpg]](db_pics/mdpics/MD-230600a.jpg)
![Muscovite, Microcline, Quartz (Var: Smoky Quartz) from Papachacra, Belen Department, Catamarca, Argentina [db_pics/mdpics/MD-230600b.jpg]](db_pics/mdpics/MD-230600b.jpg)
![Anatase, Quartz from Matskorhæ (Matskorhae), Odda, Hardangervidda, Hordaland, Norway [db_pics/mdpics/MD-23109a.jpg]](db_pics/mdpics/MD-23109a.jpg)
![Quartz (Var: Chalcedony) from East Fork Wind River, Fremont Co., Wyoming, USA [db_pics/mdpics/MD-231211a.jpg]](db_pics/mdpics/MD-231211a.jpg)
![Quartz (Var: Chalcedony) from East Fork Wind River, Fremont Co., Wyoming, USA [db_pics/mdpics/MD-231211b.jpg]](db_pics/mdpics/MD-231211b.jpg)
![Quartz (Var: Chalcedony) from East Fork Wind River, Fremont Co., Wyoming, USA [db_pics/mdpics/MD-231256a.jpg]](db_pics/mdpics/MD-231256a.jpg)
![Microcline, Quartz (Var: Smoky Quartz) from Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) [db_pics/mdpics/MD-23135a.jpg]](db_pics/mdpics/MD-23135a.jpg)
![Dioptase, Quartz from Morenci Mine (Morenci pit; Phelps Dodge Morenci Mine; Morenci-Metcalf), Morenci, Copper Mountain District (Clifton-Morenci District), Shannon Mts, Greenlee Co., Arizona, USA [db_pics/mdpics/MD-23140a.jpg]](db_pics/mdpics/MD-23140a.jpg)
![Dioptase, Quartz from Morenci Mine (Morenci pit; Phelps Dodge Morenci Mine; Morenci-Metcalf), Morenci, Copper Mountain District (Clifton-Morenci District), Shannon Mts, Greenlee Co., Arizona, USA [db_pics/mdpics/MD-23140b.jpg]](db_pics/mdpics/MD-23140b.jpg)
![Quartz (Var: Smoky Quartz), Microcline (Var: Amazonite), Feldspar Group from Teller Co., Colorado, USA [db_pics/mdpics/MD-23150a.jpg]](db_pics/mdpics/MD-23150a.jpg)
![Quartz (Var: Amethyst) from Mun. Las Vigas de RamÃrez (Mun. de Profesor Rafael RamÃrez), Veracruz, Mexico [db_pics/mdpics/MD-23161a.jpg]](db_pics/mdpics/MD-23161a.jpg)
![Quartz (Var: Smoky Quartz), Microcline from Devils Head Pegmatite District, Douglas Co., Colorado, USA [db_pics/mdpics/MD-231648a.jpg]](db_pics/mdpics/MD-231648a.jpg)
![Quartz (Var: Smoky Quartz), Microcline from Devils Head Pegmatite District, Douglas Co., Colorado, USA [db_pics/mdpics/MD-231648b.jpg]](db_pics/mdpics/MD-231648b.jpg)
![Pyrite, Quartz from Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru [db_pics/mdpics/MD-23165a.jpg]](db_pics/mdpics/MD-23165a.jpg)
![Quartz (Var: Herkimer Diamond) from Middleville, Town of Newport, Herkimer Co., New York, USA [db_pics/mdpics/MD-231654a.jpg]](db_pics/mdpics/MD-231654a.jpg)
![Quartz from Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-231656a.jpg]](db_pics/mdpics/MD-231656a.jpg)
![Quartz from Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia [db_pics/mdpics/MD-231656b.jpg]](db_pics/mdpics/MD-231656b.jpg)
![Calcite, Sphalerite, Quartz from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-231666a.jpg]](db_pics/mdpics/MD-231666a.jpg)
![Calcite, Sphalerite, Quartz from Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA [db_pics/mdpics/MD-231666b.jpg]](db_pics/mdpics/MD-231666b.jpg)