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Mineral Specimens with Quartz
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18.2 x 17.8 x 6.8 cm. A cluster of transparent, silky crystals of calcite is centered in a gently curving plate of fine, deep purple amethyst. Large and fine specimen.
8.5 x 5.5 x 4.7 cm. A classic, old-time and fine specimen of lustrous, orange crocoite blades richly dispersed on very well crystallized quartz-covered matrix from the Type Locality - Berezovsk, Urals, Russia. This old-time piece dates to the 1800s and comes from an old European collection, where everything dates to the 1800s.
7.1 x 5.7 x 4.7 cm. A classic and fine combination piece of species, for which the Panasqueira Mine is renowned. Lustrous, jet-black clusters of ferberite blades are set on a jackstraw matrix of two, large siderite crystals. The 7.0 cm, water-clear quartz crystal and the contacted quartz shard on the siderite edge are fine accents. Ex. Gene Meieran Collection.
10.0 x 5.9 x 3.1 cm. A classic, older, very showy cabinet pseudomorph from the Mina Ojuela of Mexico and the Consie Prince Collection. Quartz has pseudomorphed a rich jackstraw cluster of sharp wulfenite blades to 2.2 cm. Very highly representative of this rare pseudomorph from this locale.
6.7 x 4.2 x 2.0 cm. A striking, aesthetic and pristine specimen of sharp, lustrous, bulb-like quartz crystal included with green hedenburgite. The dominant quartz crystal is 6.4 cm tall. These crystals are called quartz "prases". The quartz crystals rest on a matrix that is essentially solid grossular garnet microcrystals. There is even a small beta quartz crystal on the piece (close-up). This superb specimen, for the combination species, is from the much less well-known Sinerechenskoe Mine of the Kavalerovo Mining District, near Dal’negorsk, Russia. Ex. Richard Hauck Collection.
11.5 x 8.0 x 7.0 cm. A superb cabinet combination specimen from the Verchniy Mine at Dal’negorsk. A gorgeous, 7.0 cm, doubly terminated, transparent to translucent, glassy calcite crystal is superbly placed, front and center, on matrix covered with a multitude of glassy quartz crystals. The quartz crystal rosette on the right side of the calcite is striking. Ex. Karl Warning Collection and purchased from Russian dealer Yuri Pavel in 2006 at the Denver Show.
5.4 x 5.4 x 5.0 cm. These Columbian quartzes have a very unique, elegant, pristine look to them. They are dazzlingly clear, and part of their appeal comes from extremely subtle horizontal striations on their faces. Ex. Richard Hauck Collection.
11.8 x 8.6 x 8.4 cm. You mostly associate adularia with the Alps (where it is also often associated with quartz), but here you have a large crystal of quartz (intergrown with a smaller one) covered with pearly adularia crystals. They measure to 2 cm.
13.0 x 12.5 x 5.4 cm. A beautiful Jalgaon specimen out of the Feist collection. Here you have a large, gently curved matrix lined with stalactitic "drip-castle" dove-grey quartz. Centered in this field of quartz are intergrown a reddish-brown crystal of heulandite and a bloom of peachy stilbite.
15.0 x 9.9 x 8.8 cm. From the pyrite mine at Shangbao, a very unusual specimen of quartz (for Shangbao that is) that looks more like something from Dal’negorsk. This green quartz is included with something that gives it a mintgrey color, but the inclusions have not been identified to my knowledge. A little group of pyrites sits at the edge of this large field of crystals.
10.8 x 9.4 x 2.2 cm. An old-time amethyst from Guanajuato, a flat plate of quartz covered with small, sparkly, pastel-purple crystals.
4.9 x 1.5 x 0.8 cm. This crystal displays all the things that make Brandberg quartzes so desirable: a pretty combination of amethystine and smoky tones in intense interior blushes, stunning clarity, and high luster.
4.9 x 2.2 x 1.5 cm. This water-clear quartz crystal has a very distinct phantom inside, visible due to its heavy inclusions which I would normally say is chlorite, but is grey rather than green as quartz inclusions; simply another shade of chlorite?
8.4 x 5.5 x 4.9 cm. From a recent find in Argentina, a specimen of very pale salmon-colored crystals of microcline (quite sharp), intergrown with smoky quartz points.
8.3 x 7.6 x 5.2 cm. A cluster of quartz crystals encrusted with small rosettes of calcite given their reddish-brown color from rich inclusions of hematite. Ex. Consie Prince Collection.
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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![Calcite, Quartz (Var: Amethyst) from IraÃ, Alto Uruguai region, Rio Grande do Sul, South Region, Brazil [db_pics/mdpics/MD-212118a.jpg]](db_pics/mdpics/MD-212118a.jpg)
![Crocoite, Quartz from Berezovskoe Au Deposit (Berezovsk Mines), Berezovskii (Berezovskii Zavod), Ekaterinburg (Sverdlovsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia [db_pics/mdpics/MD-213056a.jpg]](db_pics/mdpics/MD-213056a.jpg)
![Crocoite, Quartz from Berezovskoe Au Deposit (Berezovsk Mines), Berezovskii (Berezovskii Zavod), Ekaterinburg (Sverdlovsk), Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia [db_pics/mdpics/MD-213056b.jpg]](db_pics/mdpics/MD-213056b.jpg)
![Ferberite, Quartz, Siderite from Panasqueira, Covilhã, Castelo Branco District, Portugal [db_pics/mdpics/MD-213071a.jpg]](db_pics/mdpics/MD-213071a.jpg)
![Ferberite, Quartz, Siderite from Panasqueira, Covilhã, Castelo Branco District, Portugal [db_pics/mdpics/MD-213071b.jpg]](db_pics/mdpics/MD-213071b.jpg)
![Quartz, Wulfenite from Ojuela Mine, MapimÃ, Mun. de MapimÃ, Durango, Mexico [db_pics/mdpics/MD-213104a.jpg]](db_pics/mdpics/MD-213104a.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-213110a.jpg]](db_pics/mdpics/MD-213110a.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-213110b.jpg]](db_pics/mdpics/MD-213110b.jpg)
![Calcite, Quartz from Verkhnee Mine (Verkhniy Mine; Verchniy Mine; Verkhnee Rudnik Mine), Karadubsky ore field, Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Regi [db_pics/mdpics/MD-213119a.jpg]](db_pics/mdpics/MD-213119a.jpg)
![Quartz from San Cristobal pegmatite, Santander Department, Colombia [db_pics/mdpics/MD-213163a.jpg]](db_pics/mdpics/MD-213163a.jpg)
![Adularia, Actinolite, Quartz from Alchuri (Alchori; Aschudi), Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan [db_pics/mdpics/MD-213164a.jpg]](db_pics/mdpics/MD-213164a.jpg)
![Heulandite-Ca, Stilbite-Ca, Quartz from Jalgaon District, Maharashtra, India [db_pics/mdpics/MD-213192a.jpg]](db_pics/mdpics/MD-213192a.jpg)
![Quartz, Pyrite from Shangbao Pyrite mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China [db_pics/mdpics/MD-213194a.jpg]](db_pics/mdpics/MD-213194a.jpg)
![Quartz (Var: Amethyst) from Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico [db_pics/mdpics/MD-213195a.jpg]](db_pics/mdpics/MD-213195a.jpg)
![Quartz (Var: Smoky Quartz), Quartz (Var: Amethyst) from Brandberg area, Brandberg District, Erongo Region, Namibia [db_pics/mdpics/MD-213199a.jpg]](db_pics/mdpics/MD-213199a.jpg)
![Quartz from Hot Springs, Garland Co., Arkansas, USA [db_pics/mdpics/MD-213208a.jpg]](db_pics/mdpics/MD-213208a.jpg)
![Microcline, Quartz (Var: Smoky Quartz) from Papachacra, Belen Department, Catamarca, Argentina [db_pics/mdpics/MD-213218a.jpg]](db_pics/mdpics/MD-213218a.jpg)
![Quartz, Calcite from Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico [db_pics/mdpics/MD-213238a.jpg]](db_pics/mdpics/MD-213238a.jpg)