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Mineral Specimens with Quartz
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7.3 x 5.5 x 3.3 cm. An old-time and aesthetic cluster of lustrous and gemmy, two-toned purple, amethyst crystals from a classic Canadian locality - Thunder Bay, Ontario. This very fine example has exceptional crystal gemminess and color variation. Ex. Crunden and Richard Hauck Collections.
8.3 x 6.0 x 4.2 cm. A superb specimen of sharp, lustrous, diverging, bulb-like quartz crystals included with gray-green hedenbergite. The dominant, central quartz crystal is 5.5 cm tall. The quartz crystals rest on a matrix that is essentially solid grossular garnet microcrystals. This superb specimen, for the combination species, was collected near the Blue River, 180 km from Dal’negorsk, Russia in 2001.
8.3 x 6.5 x 4.8 cm. A fine and aesthetic specimen from recent finds at Brumado, Brazil. A 3.6 cm, glassy, sea-green emerald crystal is attached to the side of two, diverging quartz crystals that are preferentially studded with gemmy magnesite rhombs. The smaller quartz crystal is water-clear and has a razor termination. It looks like cut glass. The large quartz termination was contacted against the top of the pocket.
11.4 x 4.7 x 4.6 cm. A beautiful cabinet rose quartz specimen from a very uncommon, for rose quartz, Brazilian locality and the Richard Hauck Collection. Two superb, corsage-like rosettes of gemmy rose quartz crystals attached to a sculptural, contrasting sliver of ivory-colored albite. The rosettes are up to 4.3 cm across. Ex. Richard Hauck and S. Levensque Collections.
12.0 x 4.3 x 3.3 cm. A fascinating and fine cabinet specimen from a new find at Brumado, Brazil. Two gemmy and lustrous, twinned, amber dolomite crystals to 1.9 cm are perched on the side of two, parallel-growth, water-clear quartz crystals. One side of the quartz is preferentially coated with brick-red hematite and is studded with sparkly magnesite microcrystals. The two quartz crystal terminations are distinctly different. One is sharply pyramidal, while the other is contacted and is coated with magnesite crystals.
3.7 x 3.7 x 3.4 cm. Gemmy and lustrous rose quartz crystals fill a well-placed vug in rose quartz and quartz matrix. The vug goes two directions in this piece and the back of one end is open. Ex. Richard Hauck Collection.
12.0 x 9.2 x 8.9 cm. A superb Indian cabinet specimen of a jumble of gray to blue-gray, drusy quartz pseudomorphs after sharp, tabular baryte crystals from Jalgaon. The translucent crystals reach 3.1 cm on edge and are nicely color zoned.
A super-sharp, pristine, killer miniature with TOP color 4.3 x 2.6 x 1.9 cm
A single quartz point so richly included that I am not sure there is as much quartz as rutile in the upper half! A really unusual piece not for the association per se, but for the sheer extravagance of the inclusions. 3.2 x 3 x 3 cm
Rose quartz is still a relative rarity when you really think on it, and this half-rosette is a true beauty. The color is a rich pink; the crystal form excellent and distinct; and the excellent luster tops it off wonderfully. This is a top miniature for the species. 4 x 3 x 2.5 cm
Pics cannot adequately describe how beautiful this pair of Herkimers is. They are water clear with superb luster and complete all around. As with most clusters, I am sure it is repaired, though cleanly done. Everything you would want from a Herk, with terrific aesthetics to boot. This is a great thumbnail. 2.7 x 1.8 x 1.1 cm
This is a nice quartz crystal with good clarity and luster. What makes it so unusual is that it has a vivid green phantom in it that is complete AND 3-dimensional as if it was laser-carved! Often you just see selected surfaces coated, but this phantom has the termination and the sides! There is minor damage to the tip of the oputer crystal but honestly who cares in this case ?? ...it in no way detracts from how neat the phantom is. 3.5 x 2.2 x 1.3 cm
9.6 x 7.7 x 7.2 cm. A superb schorl with sharp and lustrous crystals ensconced in a nest of the glistening white bladed cleavelandite. Additionally, this piece has associated minerals for accent - a 1 inch or so pink apatite near the base, and a gem quartz crystal as well. The schorl termination is complete and pristine, with incredible luster. Mined in early 2008. Weighs 557 grams.
12.1 x 8.0 x 7.3 cm. The Oppu Mine remains, long after its closure, the classic and most well known source of rhodochrosite from Japan. Specimens typically consist of botryoidal rhodochrosite. However, in the Marion Stuart collection about 10 years ago, I saw this fantastic large specimen of botryoidal rhodochrosite covering large, fat quartz crystals. To this day, for this style, I still have not seen another like this for overall size and quality. Although one cannot say when it was mined, these specimens came out prior to WWII and I have seen many dated to the late 1800s from old collections in museums now. Ex. Marion Stuart Collection.
25.0 x 16.0 x 5.5 cm. This is actually quite rare English material. This is a huge plate of "wing" chalcedony, so-called because of its beautiful wing-like branching crystallization all across the surface of the matrix. This is an older piece that came out of the Richard Hauck Collection.
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Rob Lavinsky, rob@irocks.com
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Mineral Specimens by species; or
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share specimen![Quartz (Var: Amethyst) from Thunder Bay District, Ontario, Canada [db_pics/mdpics/MD-208806a.jpg]](db_pics/mdpics/MD-208806a.jpg)
![Quartz, Hedenbergite, Grossular from Sinerechenskoe skarn occurrence (Sinerechenskoye; Sineretschenskoye; Sinerechenskiy Mine; Blue River), Kavalerovo Mining District, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tet [db_pics/mdpics/MD-208810a.jpg]](db_pics/mdpics/MD-208810a.jpg)
![Beryl (Var: Emerald), Magnesite, Quartz from Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Northeast Region, Brazil [db_pics/mdpics/MD-208814a.jpg]](db_pics/mdpics/MD-208814a.jpg)
![Quartz (Var: Rose Quartz), Albite from Resplendor, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-208816a.jpg]](db_pics/mdpics/MD-208816a.jpg)
![Dolomite, Magnesite, Quartz from Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Northeast Region, Brazil [db_pics/mdpics/MD-208819a.jpg]](db_pics/mdpics/MD-208819a.jpg)
![Quartz (Var: Rose Quartz), Quartz from Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA [db_pics/mdpics/MD-208886a.jpg]](db_pics/mdpics/MD-208886a.jpg)
![Quartz (Var: Rose Quartz), Quartz from Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA [db_pics/mdpics/MD-208886b.jpg]](db_pics/mdpics/MD-208886b.jpg)
![Quartz, Baryte from Jalgaon District, Maharashtra, India [db_pics/mdpics/MD-208893a.jpg]](db_pics/mdpics/MD-208893a.jpg)
![Quartz (Var: Amethyst) from Veracruz, Mexico [db_pics/mdpics/MD-20892a.jpg]](db_pics/mdpics/MD-20892a.jpg)
![Quartz, Rutile from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-20915a.jpg]](db_pics/mdpics/MD-20915a.jpg)
![Quartz (Var: Rose Quartz) from Urucum mine (Tim mine; Córrego do Urucum pegmatite), Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-20924a.jpg]](db_pics/mdpics/MD-20924a.jpg)
![Quartz from Herkimer Co., New York, USA [db_pics/mdpics/MD-20925a.jpg]](db_pics/mdpics/MD-20925a.jpg)
![Quartz from Ihovitra, Itremo massif, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar [db_pics/mdpics/MD-20966a.jpg]](db_pics/mdpics/MD-20966a.jpg)
![Schorl, Albite (Var: Cleavelandite), Apatite-(CaF), Quartz from Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-209743a.jpg]](db_pics/mdpics/MD-209743a.jpg)
![Rhodochrosite, Quartz from Oppu mine, Nishimeya-mura, Naka-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan [db_pics/mdpics/MD-209747a.jpg]](db_pics/mdpics/MD-209747a.jpg)
![Rhodochrosite, Quartz from Oppu mine, Nishimeya-mura, Naka-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan [db_pics/mdpics/MD-209747b.jpg]](db_pics/mdpics/MD-209747b.jpg)
![Quartz (Var: Chalcedony) from Cornwall, England, UK [db_pics/mdpics/MD-209749a.jpg]](db_pics/mdpics/MD-209749a.jpg)