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Mineral Specimens with Quartz
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2.3 x 2.3 x 1.6 cm. A classic and old-time gold specimen from historic Verespatak (Rosia Montana), Romania. Lustrous, hackly, microcrystalline gold richly covers the upper part of the 3-dimensional, granulated quartz matrix. Excellent material for a mine that was worked by the Romans. This is undoubtedly old material probably from the 1800s, but no proof. Ex. Russell Jones Collection.
7.4 x 2.4 x 2.4 cm. A striking, doubly terminated smoky quartz crystal fully "clothed" on all sides with gemmy and lustrous, burnt orange to tiny yellow spessartines from recent Chinese finds. Only the terminations lack spessartines. The spike termination is frosted and the other end broke, re-healed and grew new, multiple smoky quartz terminations. Complete-all-around and nearly pristine.
7.2 x 2.8 x 2.7 cm. A fine, complete-all-around pair of color-zoned, parallel-growth smoky quartz crystals from a new find at the Dreamtime Mine of Colorado. The nicely shaded, translucent crystals are lightly frosted.
6.8 x 5.0 x 2.1 cm. Lustrous, water-clear purple fluorite cubes with fabulous violet phantoms are very aesthetically clustered on needle quartz on this excellent fluorite specimen from the Sweet Home Mine. The cubes reach 1.1 cm on this piece. From the 1996 Blue Moon Pocket. Ex. Mijer Collection.
11.5 x 8.5 x 8.1 cm. Rose quartz from the Sapucaia Mine is now almost 40 years out of the ground. This is an excellent cabinet specimen of the classic material, with a very elegant, multi-dimensional form. The upper part of this fine piece looks like a pink, rose quartz wreath encircling the smoky quartz matrix. Below the wreath is a striking cleft, bounded on either side with gorgeous bands vivid pink quartz.
13.0 x 7.3 x 5.1 cm. A fine, old-time cabinet combination specimen from the mines near Miami, Arizona. One side features striking, broken hemispheres of banded, chatoyant malachite above and adjacent to an interesting angled vug rimmed with drusy quartz and lined with sparkly, malachite-included quartz crystals. The other side is dominated by an impressive, large spheroid of banded, turquoise-blue chrysocolla. Classic, old, combination material from the well-known locale and the Mullane Collection.
7.5 x 5.9 x 3.5 cm. A very aesthetic cluster of three Japan-law twin quartz crystals from recent finds in Peru. The three, intergrown twins have a very nice sculptural aspect, which looks good from either side. The lustrous, flattened, tabular crystals are water-clear to lightly frosted and have interesting beveled edges. Ex. Mijer Collection.
2.6 x 1.9 x 1.6 cm. This specimen is a fine thumbnail size piece featuring a superb quality, sharp, gemmy, highly lustrous, prismatic, purple color "reverse" scepter crystal of Amethyst measuring 2.0 cm sitting atop white/colorless, modified rhombohedra of Calcite with underlain "Chlorite" on matrix. This piece is remarkable for Bolivia as it features a type of crystallization that is virtually unheard of from Bolivia.
3.8 x 2.6 x 2.1 cm. Bolivia has probably produced more tin than any other country in the world. The great tin mines at Viloco (sometimes called Araca) have produced some of the most magnificent Cassiterite specimens extant. This particular specimen hosts fine, sharp, highly lustrous, black, cyclic-twinned crystals of Cassiterite associated with very gemmy prismatic colorless Quartz crystals on matrix. Some of the Quartz crystals have tiny Smoky Quartz "phantoms" in the center of the prisms.
10.3 x 2.4 x 2.3 cm. A fine cabinet specimen of lustrous, brown, pyramidal scheelite crystals to 3 mm richly sprinkled on all sides of a glassy and lustrous, doubly terminated smoky quartz crystal. This old-time specimen is from historic Zinnwald, on the Czech side of the fabled Erzgebirge. This piece is nearly pristine. The scheelites have the typical, super-white fluorescence of scheelite. Ex. British Museum and Mullane Collections.
10.5 x 8.4 x 6.4 cm. A fine cabinet calcite with amethyst specimen from recent finds at Artigas, Uruguay. A wreath of gemmy and lustrous, intensely-purple amethyst crystals attractively circles the front of a large, complete-all-around, calcite scalenohedron. The very glassy, light amber calcite has a tan, low-lustre, calcite overgrowth layer, with is visible below the amethyst wreath. Ex. Sinotte Collection.
12.5 x 8.8 x 3.4 cm. A beautiful cabinet plate studded with gemmy and lustrous, intensely purple, amethyst crystals from a classic old find at Las Vigas, Mexico. Crystals reach 2.8 cm on this beauty, which is nicely accented with a bit of green epidote in the crust.
4.0 x 2.1 x 2.1 cm. A rich nest of cosalite needles is visible within a stocky, water-clear quartz crystal in this fine specimen from the Kara-Oba deposit of Kazakhstan. Cosalite is an uncommon lead, bismuth sulfosalt and this is a superb and very uncommon combination of the two species. A fine, 2.0 cm, doubly terminated quartz crystal is embedded in one side. The quartz crystal is complete-all-around and nearly pristine.
5.5 x 5.0 x 4.0 cm. A beautiful, mounded amethyst specimen. Gorgeous, glassy, translucent to transparent, purple crystals of amethyst to 3.8 cm in size stand upright on the matrix. The crystals really sparkle and are called "cactus quartz" for their form. The terminations are isolated, while the bodies have a prickly, "cactus" look with an overgrowth of smaller crystals. This is the true source for the amethystine quartz crystals (aka "cactus quartz" and "spirit quartz") erroneously marketed as being from the Magaliesberg Range.
12.9 x 6.9 x 4.8 cm. A striking, two-sided, cabinet rose quartz specimen from the Ilha claim of Brazil. One face on the spear-shaped, massive, rose quartz matrix is nearly covered with gemmy and lustrous, vivid pink drusy quartz and quartz crystals. The back side features a large, porch-like vug lined with glassy crystals. This beautiful piece is from 1960s-70s finds at this pegmatite, located on an island in the Jequitinhonha River, Minas Gerais. The pegmatite could only be mined when water levels were low.
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Rob Lavinsky, rob@irocks.com
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Mineral Specimens by species; or
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share specimen![Gold, Quartz from Roşia Montanã (Verespatak; Vöröspatak; Goldbach), Alba Co., Romania [db_pics/mdpics/MD-237487a.jpg]](db_pics/mdpics/MD-237487a.jpg)
![Quartz (Var: Smoky Quartz), Spessartine from Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China [db_pics/mdpics/MD-237497a.jpg]](db_pics/mdpics/MD-237497a.jpg)
![Quartz (Var: Smoky Quartz) from Dreamtime Claim, Crystal Peak area, Teller Co., Colorado, USA [db_pics/mdpics/MD-237502a.jpg]](db_pics/mdpics/MD-237502a.jpg)
![Fluorite, Quartz from Sweet Home Mine (Home Sweet Home Mine), Mount Bross, Alma District, Park Co., Colorado, USA [db_pics/mdpics/MD-237504a.jpg]](db_pics/mdpics/MD-237504a.jpg)
![Quartz (Var: Rose Quartz), Quartz (Var: Smoky Quartz) from Sapucaia Mine, Sapucaia do Norte, Galiléia, Doce valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-237508a.jpg]](db_pics/mdpics/MD-237508a.jpg)
![Malachite, Chrysocolla, Quartz from Miami, Miami-Inspiration District, Globe-Miami District, Gila Co., Arizona, USA [db_pics/mdpics/MD-237518a.jpg]](db_pics/mdpics/MD-237518a.jpg)
![Malachite, Chrysocolla, Quartz from Miami, Miami-Inspiration District, Globe-Miami District, Gila Co., Arizona, USA [db_pics/mdpics/MD-237518b.jpg]](db_pics/mdpics/MD-237518b.jpg)
![Quartz from Rosario Mabel claim (Flor de Peru II claim), Pampa Blanca, Castrovirreyna District, Castrovirreyna Province, Huancavelica Department, Peru [db_pics/mdpics/MD-237526a.jpg]](db_pics/mdpics/MD-237526a.jpg)
![Quartz (Var: Amethyst) from Bombori, Chayanta Province, Potosà Department, Bolivia [db_pics/mdpics/MD-237605a.jpg]](db_pics/mdpics/MD-237605a.jpg)
![Cassiterite, Quartz from Viloco Mine (Araca mine), Loayza Province, La Paz Department, Bolivia [db_pics/mdpics/MD-237606a.jpg]](db_pics/mdpics/MD-237606a.jpg)
![Scheelite, Quartz (Var: Smoky Quartz) from CÃnovec / Zinnwald (Cinvald), Erzgebirge; Krusné Hory Mts, Saxony & Ústà Region (Bohemia; Böhmen; Boehmen), Germany & Czech Republic [db_pics/mdpics/MD-237618a.jpg]](db_pics/mdpics/MD-237618a.jpg)
![Scheelite, Quartz (Var: Smoky Quartz) from CÃnovec / Zinnwald (Cinvald), Erzgebirge; Krusné Hory Mts, Saxony & Ústà Region (Bohemia; Böhmen; Boehmen), Germany & Czech Republic [db_pics/mdpics/MD-237618b.jpg]](db_pics/mdpics/MD-237618b.jpg)
![Calcite, Quartz (Var: Amethyst) from Artigas, Artigas Department, Uruguay [db_pics/mdpics/MD-237622a.jpg]](db_pics/mdpics/MD-237622a.jpg)
![Quartz (Var: Amethyst) from Mun. Las Vigas de RamÃrez (Mun. de Profesor Rafael RamÃrez), Veracruz, Mexico [db_pics/mdpics/MD-237627a.jpg]](db_pics/mdpics/MD-237627a.jpg)
![Cosalite, Quartz from Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan [db_pics/mdpics/MD-237633a.jpg]](db_pics/mdpics/MD-237633a.jpg)
![Cosalite, Quartz from Kara-Oba W deposit, Betpakdala Desert (Bet-Pak-Dal Desert), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan [db_pics/mdpics/MD-237633b.jpg]](db_pics/mdpics/MD-237633b.jpg)
![Quartz (Var: Amethyst) from Boekenhoutshoek area (Boekenhouthoek), Mkobola district, Mpumalanga Province, South Africa [db_pics/mdpics/MD-237635a.jpg]](db_pics/mdpics/MD-237635a.jpg)
![Quartz (Var: Rose Quartz) from Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-237636a.jpg]](db_pics/mdpics/MD-237636a.jpg)
![Quartz (Var: Rose Quartz) from Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Southeast Region, Brazil [db_pics/mdpics/MD-237636b.jpg]](db_pics/mdpics/MD-237636b.jpg)