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Mineral Specimens with Quartz
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7.4 x 5.4 x 4.8 cm. A stately, single crystal of amethyst with the beautiful purple "blush" that makes these Vera Cruz crystals so well-loved by collectors – arching off the matrix, with some little accenting crystals on the matrix around its base. The large crystal measures just over 5 cm. Ex. Consie Prince Collection.
12.2 x 5.0 x 4.3 cm. A large, transparent crystal of Swiss Alpine quartz, which came out of the Wein Collection of Germany. What is very unusual about this crystal, and why it was in the Wein Collection certainly, is that it is a rare doubly-terminated floater.
5.1 x 4.6 x 4.2 cm. These Guerrero specimens are some of the best-loved amethyst specimens around, and for obvious reasons. They have a unique glow to their purple interiors, and the color is beautifully isolated, as here, with the crystals having transparent to colorless tips. Ex. Richard Hauck Collection.
6.4 x 5.2 x 4.8 cm. This is a splendid example of the stunningly lustrous, large gem sphalerites found at Lechang a few years back that caused a big stir…with glowing orange-red color and complex, glassy faces. There are three crystals here, the largest measuring just under two centimeters. They sit on a gently-curved matrix covered with tiny quartz crystals.
This is a special Himalaya piece because the red color and high lustre of the tourmaline is as good as it got from the mine. It is literally GLASSY! The deeply colored tourmaline is unrepaired, too, and is perched aesthetically smack-dab on the side of the quartz point (it comes with a Sunnywood base, as well, to display it upright). The tourmaline itself measures about 6 x 3 x 2.5 cm in size. It is VERY HARD to get display-sized, good-quality Himalaya tourmalines in matrix and so I regard this as a rare find. It is, I am told, an old piece mined most likely by Ralph Potter prior to the 1970s when Pala took over the mine. It was formerly in a prominent Italian collection before coming back to the US. 10 x 8.8 x 7.7 cm
A dramatic matrix tourmaline specimen! This one, unlike most Himalayas, has GREEN elbaite on quartz whereas the more common coloration is of pink or red hues. This adds considerable importance to the piece when taken in context. There is one repair to the upright crystal, near its emergence from the quartz. There are probably two repairs (at least one) in the secondary crystal and that crystal is incomplete underneath, but it displays well and so doesn't hurt the piece visually given the size and importance of the piece, and the fact that the eye strays right to the upright crystal anyhow. These crystals are a dark forest green, gemmy even with minimal backlighting. 11 x 8.8 x 8.5 cm
Just a nice locality quartz piece! 7.8 x 7.5 x 3.2 cm
A VERY interesting and to my knowledge unique specimen featuring a fanspray of elongated pink crystals INSIDE a quartz point. The crystals inside have been shown to be Montmorillonite but the form is wrong because the mineral usually is amorphous from the locality, indicating they are a replacement after another, as yet-unidentified mineral species. From Tim Sherburn, who got it from dealer Mark Rodgers in 1984. Note that the front has been polished to enhance display of the inclusion (and the piece is a quartz shard, anyhow)6.5 x 5 x 4 cm
5.6 x 2.0 x 1.9 cm. Lustrous anatase crystals to 8 mm are artfully embedded on and in a striking, striated, water-clear and uncommon smoky quartz crystal from Hardangervidda, Norway. The large anatase is beautifully placed. This is a superb and aesthetic anatase and smoky quartz specimen. Dr. Gary Hansen obtained this piece in a small lot trade with the Smithsonian, who in turn traded with the Geology Museum at the University of Oslo.
2.7 x 2.5 x 2.0 cm. A fine Arizona gold thumbnail. Rich, golden-yellow, hackly gold aesthetically covers the quartz matrix on this fine, old-timer from an unknown mine in Yavapai County. Crystallized Arizona gold is seldom seen on the market and this is a good one.
10.3 x 6.7 x 4.9 cm. Splendent galena cubes to 2.1 cm are beautifully scattered on the needle quartz matrix on this aesthetic cabinet specimen from the Madan District of Bulgaria. The concentrated galena cubes at the top of this mounded piece are particularly striking. The back of this fine piece hides more surprises, with an exquisite radial cluster of quartz crystals and some massive sphalerite. From the Konski Dol Mine.
7.6 x 5.4 x 3.6 cm. A striking, sharply terminated, water-clear quartz crystal enclosing a forest of highly lustrous, star-shaped to jackstraw, rutile needles and partially enclosing a large, 2.3, clove-brown brookite blade on the left side of the quartz crystal. The green chlorite in the back of the quartz crystal is a very nice accent. This is an excellent quartz crystal with two included species from an uncommon Pakistan locale - Taftan in Baluchistan.
9.0 x 7.0 x 5.5 cm. Gemmy and lustrous rose quartz crystals generously fill a well-placed, 4.0 cm vug in quartz matrix. Ex. Richard Hauck Collection.
5.3 x 3.5 x 3.4 cm. A rare, unique, and fine combination specimen from the Pack Rat Mine of San Diego County. A sharp, lustrous, doubly terminated, 2.3 cm, off-white hydroxylherderite crystal is perched on the side of two, intergrown, glassy and translucent, smoky quartz crystals. Older material from the Chuck Houser Collection and it also comes with a 1960s/1970s era Dawson’s Minerals label. Norm Dawson was the owner and operator of the White Queen Mine from 1948-1992.
Thin striated inclusions inside the quartz have been determined to be hambergite. 5.9 x 4.3 x 1.4 cm
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Rob Lavinsky, rob@irocks.com
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share specimen![Quartz (Var: Amethyst) from Mun. Las Vigas de RamÃrez (Mun. de Profesor Rafael RamÃrez), Veracruz, Mexico [db_pics/mdpics/MD-203092a.jpg]](db_pics/mdpics/MD-203092a.jpg)
![Quartz from Grieswies, Grieswies - Krumlkeeskopf Mt. area, Hüttwinkl valley, Rauris valley, Hohe Tauern Mts, Salzburg, Austria [db_pics/mdpics/MD-203094a.jpg]](db_pics/mdpics/MD-203094a.jpg)
![Quartz (Var: Amethyst) from Guerrero, Mexico [db_pics/mdpics/MD-203095a.jpg]](db_pics/mdpics/MD-203095a.jpg)
![Sphalerite, Quartz from Lechang Mine, Lechang Co., Shaoguan Prefecture, Guangdong Province, China [db_pics/mdpics/MD-203098a.jpg]](db_pics/mdpics/MD-203098a.jpg)
![Sphalerite, Quartz from Lechang Mine, Lechang Co., Shaoguan Prefecture, Guangdong Province, China [db_pics/mdpics/MD-203098b.jpg]](db_pics/mdpics/MD-203098b.jpg)
![Tourmaline, Quartz from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-20310a.jpg]](db_pics/mdpics/MD-20310a.jpg)
![Tourmaline, Quartz from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-20311a.jpg]](db_pics/mdpics/MD-20311a.jpg)
![Quartz, Microcline from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-20317a.jpg]](db_pics/mdpics/MD-20317a.jpg)
![Quartz, Montmorillonite from White Queen Mine, Hiriart Mountain (Heriart; Heriot; Hiriat Hill), Pala District, San Diego Co., California, USA [db_pics/mdpics/MD-20318a.jpg]](db_pics/mdpics/MD-20318a.jpg)
![Anatase, Quartz (Var: Smoky Quartz) from Hardangervidda, Hordaland, Norway [db_pics/mdpics/MD-203222a.jpg]](db_pics/mdpics/MD-203222a.jpg)
![Gold, Quartz from Yavapai Co., Arizona, USA [db_pics/mdpics/MD-203232a.jpg]](db_pics/mdpics/MD-203232a.jpg)
![Galena, Quartz from Konski dol deposit, Konski dol Mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria [db_pics/mdpics/MD-203233a.jpg]](db_pics/mdpics/MD-203233a.jpg)
![Brookite, Rutile, Quartz from Taftan, Chagai District, Balochistan (Baluchistan), Pakistan [db_pics/mdpics/MD-203237a.jpg]](db_pics/mdpics/MD-203237a.jpg)
![Quartz (Var: Rose Quartz), Quartz from Rose Quartz Crystal Locality (Pegmatite 24), Newry, Oxford Co., Maine, USA [db_pics/mdpics/MD-203264a.jpg]](db_pics/mdpics/MD-203264a.jpg)
![Quartz (Var: Rose Quartz), Quartz from Rose Quartz Crystal Locality (Pegmatite 24), Newry, Oxford Co., Maine, USA [db_pics/mdpics/MD-203264b.jpg]](db_pics/mdpics/MD-203264b.jpg)
![Hydroxylherderite, Quartz (Var: Smoky Quartz) from Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA [db_pics/mdpics/MD-203270a.jpg]](db_pics/mdpics/MD-203270a.jpg)
![Hambergite, Quartz from Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA [db_pics/mdpics/MD-20361a.jpg]](db_pics/mdpics/MD-20361a.jpg)