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Mineral Specimens with Quartz
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6.7 x 4.2 x 3.7 cm. FASCINATING! This is a fine quartz crystal, actually with a clearly visible phantom inside it - and right above the phantom, in the clear, gemmy area of the quartz, float these bright yellow crystals of the rare manganese-beryllium silicate helvite! Little ding on top the quartz, but hardly matters since this specimen is not about the quality of the quartz crystal anyway except insofar as it has good clarity so you can really get a good view of the helvites.
12.4 x 8.4 x 4.2 cm. This is a sensational Eastern Euro combo specimen out of the Leithhauser Collection. What you have is an amazing quartz crystal with complex staggered growth and dozens of sub-terminations on its faces - and it is doubly terminated! Around the middle of the crystal is a belt of superb galena crystals to 2.8 cm across - razor-sharp and with a fine silky metallic luster. There is minor sphalerite as well.
13.5 x 7.3 x 6.4 cm. This large smoky quartz crystal from Brazil could hold its own against anything from Switzerland or Russia. The luster is like GLASS, and internally, it not only clear, but absolutely gem-like in intensity, with deep smoky color that nevertheless lets light through easily even under modest light. The albite and muscovite around the bottom provide a pretty contrast for the crystal.
10.7 x 8.2 x 5.3 cm. A VERY hard-to-obtain AUSTRIAN amethyst from the Austrian alpine mountains! It features large, fat crystals with high luster. Just inside the surface of the crystals is a thin layer of an included (unidentified) dark mineral, as tiny spheres. There is also some hematite inclusion. The crystals measure to 6 cm in height, and over 3 cm across. They are in fine condition!
12.4 x 10.0 x 4.9 cm. A large plate of matrix, on one edge of which is a cluster of amethyst crystals of the superb quality that make Vera Cruz so famous. They are as gemmy and transparent as could be, a gorgeous lilac color, with the characteristic striations on their faces.
13.3 x 10.9 x 5.6 cm. A dazzling combo piece from the Daye Mine! The pyrite crystal that crowns one end of the specimen is a total knockout - just stunning in its luster, form, and the way it sits up on the matrix like a jewel. On the other side of the specimen is a silky quartz crystal, wrapped with calcites and chocolate-brown hubeites. There is so much going on here - all of it pretty! Pyrite is very unusual for the locality and even more so in combination with all the other minerals there. This is a rare quality, in combination, and not just a combination if that makes sense.
6.6 x 2.1 x 1.5 cm. This insanely good Brandberg amethyst crystal is a complete, doubly-terminated floater. The interior has both intense amethystine hues AND smoky hues in a subtle chevron pattern. The whole thing glows like a bright gem. The luster is glassy and fine, and the faces are sharp as glass as well.
8.7 x 3.6 x 2.8 cm. From the Swiss Alps, a specimen that amply demonstrates why top Swiss quartz specimens are so highly prized. This specimen was in both the Carnegie Museum (early museum number glued on the crystal) AND the collection of Gary Hansen! The crystal is water-clear, with glassy luster, sharp faces, a perfect termination and wonderfully symmetrical form. "Cut-glass" modifications on the faces give it an extra appeal.
3.9 x 3.6 x 2.0 cm. VERY GEMMY, orange spessartine garnets are beautifully scattered on this FINE combination piece from the famous Little Three Mine. The GLASSY smoky quartz crystal is pristine and is nicely set in albite. The little muscovite book on one side is a nice touch. CLASSIC and VERY DESIRABLE material from a well-known California locality.
4.1 x 1.8 x 1.5 cm. A gorgeous, gemmy amethyst scepter crystal on a stalk of milky quartz from Hopkinton, Rhode Island. The amethyst is very glassy. The super trivial termination and edge wear is barely noticeable and is certainly not detracting, as you can see. Rhode Island amethyst scepters of this quality are always in demand and specimens are rare. Ex. George Elling Collection.
6.0 x 5.2 x 4.0 cm. A very aesthetic band of nicely burnished hackly gold in milky quartz from the famed 16 to 1 Mine of California. The crowning gold cluster is a nice accent. Ex. Wein and George Elling Collections.
3.6 x 2.7 x 2.1 cm. SHARP, nicely burnished, silver crystals to 8 mm are attractively scattered on milky quartz matrix along with hackly, platy silver on this fine old-timer from Michigan’s famous Copper Country. Some crystals look like octahedrons.
25.0 x 15.0 x 5.0 cm. A STUNNING and DRAMATIC LARGE CABINET plate festooned with lustrous, salmon-pink poldervaartite crystals on sparkly quartz from the famous Nchwaning II Mine. This was a freak find that redefined what you could get for the species, around 5 years ago. No more has come out since.
9.2 x 7.5 x 6.0 cm. An AESTHETIC and SUPERB cluster of sharp, bronze-colored marcasite blades to 4.7 cm attached to quartz crystal-covered matrix from the Alimon Mine at Huaron, Peru. Huaron is not known for marcasite, so this is really an OUTSTANDING piece. Aesthetically, this is a significant specimen, which is not hugely diminished by the couple of broken marcasite crystals and a bit of edge wear, as you can see. This fine, old-timer resided in the collection of Pete Bancroft from many years.
3.4 x 1.6 x 1.3 cm. Lustrous anatase crystals to 7 mm are artfully embedded on and in a beautiful, water-clear quartz crystal from Hardangervidda, Norway. Trivial edge wear on and near the quartz termination and to the termination of the large anatase crystal is certainly not detracting, as you can see. Dr. Hansen obviously prized this specimen, which he obtained in a small lot trade with the Smithsonian, who in turn traded with the Geology Museum at the University of Oslo.
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Rob Lavinsky, rob@irocks.com
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Mineral Specimens by species; or
by specimen id.
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share specimen![Helvite, Quartz from Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China [db_pics/mdpics/MD-118340a.jpg]](db_pics/mdpics/MD-118340a.jpg)
![Galena, Sphalerite, Quartz from Krushev dol deposit, Krushev dol mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-118344a.jpg]](db_pics/mdpics/MD-118344a.jpg)
![Quartz (Var: Smoky Quartz), Albite from Divino das Laranjeiras, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-118345a.jpg]](db_pics/mdpics/MD-118345a.jpg)
![Quartz (Var: Amethyst) from Tyrol, Austria [db_pics/mdpics/MD-118347a.jpg]](db_pics/mdpics/MD-118347a.jpg)
![Quartz (Var: Amethyst) from Cerro De La Concordia, Piedra Parada (Piedras Parado), Mun. de Tatatila, Veracruz, Mexico [db_pics/mdpics/MD-118354a.jpg]](db_pics/mdpics/MD-118354a.jpg)
![Pyrite, Calcite, Hubeite, Quartz from Fengjiashan Mine (Daye Copper mine), Edong Mining District, Daye Co., Huangshi Prefecture, Hubei Province, China [db_pics/mdpics/MD-118459a.jpg]](db_pics/mdpics/MD-118459a.jpg)
![Quartz (Var: Amethyst) from Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-118460a.jpg]](db_pics/mdpics/MD-118460a.jpg)
![Quartz from Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland [db_pics/mdpics/MD-118462a.jpg]](db_pics/mdpics/MD-118462a.jpg)
![Spessartine, Quartz (Var: Smoky Quartz), Albite, Muscovite from Little Three Mine (Little 3), Ramona District, San Diego Co., California, USA [db_pics/mdpics/MD-118467a.jpg]](db_pics/mdpics/MD-118467a.jpg)
![Quartz (Var: Amethyst), Quartz (Var: Milky Quartz) from Hopkinton, Washington Co., Rhode Island, USA [db_pics/mdpics/MD-118471a.jpg]](db_pics/mdpics/MD-118471a.jpg)
![Gold, Quartz from 16 to 1 Mine, Grass Valley, Alleghany, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA [db_pics/mdpics/MD-118472a.jpg]](db_pics/mdpics/MD-118472a.jpg)
![Silver, Quartz from Keweenaw Co., Michigan, USA [db_pics/mdpics/MD-118486a.jpg]](db_pics/mdpics/MD-118486a.jpg)
![Poldervaartite, Quartz from N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa [db_pics/mdpics/MD-118492a.jpg]](db_pics/mdpics/MD-118492a.jpg)
![Marcasite, Quartz 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-118495a.jpg]](db_pics/mdpics/MD-118495a.jpg)
![Anatase, Quartz from Hardangervidda, Hordaland, Norway [db_pics/mdpics/MD-118533a.jpg]](db_pics/mdpics/MD-118533a.jpg)