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Mineral Specimens with Quartz
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5.9 x 3.5 x 1.5 cm. A stylish, elegant gwindel with a clearly twisted form, rare in colorless quartz from this locality. For some reason, nearly all are smokies, and a good colorless gwindel of this style is hard to come by. Undamaged, pristine, and complete 360 degrees so that it can be viewed from any side. Ex. Dr. Eric Asselborn Collection.
5.6 x 5.6 x 2.5 cm. Alpine gwindel smoky quartz with incredible gemminess. Ex. Dr. Eric Asselborn Collection.
5.4 x 4.2 x 2.7 cm. This is one of my all time favorite gwindels because it is so elegant in its composition, with a strongly twisted smoky of total transparency combined with a rich internal brightness, rising vertically from a slim matrix of normal prismatic quartz crystals that contrast the form of the gwindel so starkly. Matrix gwindels are uncommon, especially good ones of this quality - and it is undamaged, pristine, and complete 360 degrees so that it can be viewed from any side. Ex. Dr. Eric Asselborn Collection.
11.3 x 6.9 x 3.0 cm. A GEM crystal of the HIGHEST quality with a faint smoky hue, makes this a superb specimen of classic Swiss quartz. The crystal measures approx. 9 x 3 x 2.5 cm in size and stands vertical upon a piece of granite matrix. The quality is literally ridiculous...you could not imagine better for a simple, plain, old quartz crystal from Switzerland. The lustre is like glass, the clarity like a cut diamond. The crystal is pristine except only for one VERY small, tiny, shallow ding near the base of matrix. And, as most known, matrix crystals from here are hard to come by - let alone matrix pieces with such dramatic display! The crystal at the bottom is doubly-terminated, and 6 cm tip to tip, and pristine as well! Overall, its just a killer. Additionally, it comes with an old Harvard label denoting that it was collected in 1869 by a strahler named Caveng, or perhaps from the Caveng collection. It was deaccessed from Harvard to Phil Scalisi, hence to Richard Hauck. I know it seems plain, on first site, but this is STUNNING and superb in person.
8.1 x 4.2 x 3.1 cm. What an elegant Las Vigas amethyst! Most are small crystals shooting up from matrix, or loose clusters of fatter crystals, but this particular piece strikes me for the geometry, and the aerial perch of the large doubly-terminated crystal right in the middle of the cluster. I think you could spend much more money for a much less interesting example from this locality, that doesn't stand out nearly as much from the crowd as this one. No damage to that large crossbar crystal! Ex. Richard Hauck Collection.
8.8 x 7.6 x 7.3 cm. The photo makes this look more peachy in color, but I would really call it a soft, velvety pink hue in person. I had heard of these old-time pieces from the amethyst grounds in Brazil but had not seen one before and am not sure what causes the unique pink color, for that matter. The crystals are small but the overall result is very colorful and impactful. Ex. Richard Hauck Collection.
7.9 x 6.0 x 4.3 cm. Nothing fancy about this plain old American quartz - its just a supremely good example of the most common type we see, so good that I was shocked when I saw it and didn't think it could be pristine as well. But, except for a small crystal contact in the lower rear, it IS pristine and I would have to rank this among the absolute finest Arkansas quartzes for its size that I have seen. The edges are RAZOR sharp! Ex. Richard Hauck Collection.
9.2 x 6.8 x 2.0 cm. A surreal shard-like quartz with amethyst protrusions, smoky body, and elegant form. Also, the locality is interesting. We are pretty sure the label is from the 1800s. A fine piece of course, regardless of locale, but the locality is a bonus for a Pennsylvania collector! Ex. Richard Hauck Collection.
This Photo was Mindat.org Photo of the Day - 11th Sep 2008
8.3 x 6.2 x 4.8 cm. Sharp crystals to 2 cm, on matrix, from this old mining district...matrix pieces are very rare from Cripple Creek! Ex. Caldwell College, Richard Hauck Collections.
8.4 x 7.5 x 5.0 cm. A pristine, elegant, sparkling cluster of ultra-gemmy quartz. Ex. Richard Hauck Collection.
6 x 4.6 x 2.2 cm. This crystal has incredible lustre and transparency, showing off the internal rutile crystals which are also so bright they look metallic, and shine out starkly from within! A competition level quartz piece for the Alps, very rare in such quality! Ex. Richard Hauck Collection.
5.2 x 5.2 x 2.3 cm. This is a brilliantly lustrous, gem clean, water-clear gwindel of unusual quality. It is, sadly, not quite complete with a contact on one end and a break on the other - and yet as you can see it displays well. There is no damage otherwise. The term right handed gwindel is just referring to the extra "right hand" faces on the gwindel. They are pretty rare. Ex. Richard Hauck Collection.
5.6 x 3.0 x 1.8 cm. A polished quartz crystal showing off internal positive casts of quartz crystals, seemingly hollow and yet with their shape preserved somehow in the overlaying quartz that enclosed them. Bizarre example of odd quartz crystallization, caught in the act! From the Cliff Awald Collection (he wrote a pamphlet about inclusions in quartz in the mid-1950s for the Buffalo Museum of Science). Ex. Richard Hauck Collection.
5.3 x 4 x 2.4 cm. Ex. Richard Hauck Collection.
5.8 x 5.2 x 2.7 cm. A polished section of a rutilated quartz crystal showing unusually individual and robust rutile crystals within. From the Cliff Awald Collection(he wrote a pamphlet about inclusions in quartz in the mid-1950s for the Buffalo Museum of Science). Ex. Richard Hauck Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz (Var: Gwindle Quartz) from Giuv Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland [db_pics/mdpics/MD-159984a.jpg]](db_pics/mdpics/MD-159984a.jpg)
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![Quartz (Var: Smoky Quartz), Quartz (Var: Amethyst) from Shaw and Esrey's Quarry, Chester Township, Delaware Co., Pennsylvania, USA [db_pics/mdpics/MD-159996a.jpg]](db_pics/mdpics/MD-159996a.jpg)
![Quartz (Var: Amethyst) from Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA [db_pics/mdpics/MD-159999a.jpg]](db_pics/mdpics/MD-159999a.jpg)
![Quartz from Corinto, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-160001a.jpg]](db_pics/mdpics/MD-160001a.jpg)
![Quartz, Rutile from St Gotthard pass area, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland [db_pics/mdpics/MD-160003a.jpg]](db_pics/mdpics/MD-160003a.jpg)
![Quartz from Maderanertal, Uri, Switzerland [db_pics/mdpics/MD-160004a.jpg]](db_pics/mdpics/MD-160004a.jpg)
![Quartz from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-160006a.jpg]](db_pics/mdpics/MD-160006a.jpg)
![Quartz (Var: Amethyst), Quartz from Deer Hill Locality, Deer Hill, Stow, Oxford Co., Maine, USA [db_pics/mdpics/MD-160008a.jpg]](db_pics/mdpics/MD-160008a.jpg)
![Quartz, Rutile from Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-160009a.jpg]](db_pics/mdpics/MD-160009a.jpg)