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Robert Lavinsky's Photo Gallery

8P1-Q4QHaüyne

Multiple photos available
Cava di Campagnano, Campagnano di Roma, Sacrofano Caldera, Rome Province, Latium, Italy

Dimensions: 5.2 cm x 4.1 cm x 3.7 cm

5.2 x 4.1 x 3.7 cm. The piece hosts sharp, well-formed, off-white colored crystals of hauyne measuring up to 8 mm associated with tuscanite and anorthite plus green "fassaite" (augite) according to the label. A great old classic specimen. Ex Kay Robertson Collection (#9804). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939390     Uploaded by: Robert Lavinsky   View Count: 14   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

JC0-2UHTantalite-(Mn)

Multiple photos available
Alto Ligonha District, Zambezia Province, Mozambique

Dimensions: 0.5 cm x 0.4 cm x 0.1 cm

0.5 x 0.4 x 0.1 cm. Very well-formed, rather sharp, gem quality, euhedral orthorhombic crystal of glowing red tantalite-(Mn) (formerly manganotantalite) from the Alto Ligonha District of Mozambique. This area has produced some of the finest crystals of tantalite-(Mn) in the world in terms of color, sharpness and overall form. Ex Kay Robertson Collection (#8690). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939388     Uploaded by: Robert Lavinsky   View Count: 4   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

7RP-CU5Malachite

Multiple photos available
Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

Dimensions: 3.7 cm x 3.1 cm x 2.1 cm

3.7 x 3.1 x 2.1 cm. Attractive and fine quality velvety green malachite has formed gorgeous "sword"-shaped pseudomorphs after preexisting azurite. The largest crystal measures 1.7 cm long. This is classic material from the famous Bisbee mines. Ex Kay Robertson Collection (#610). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939384     Uploaded by: Robert Lavinsky   View Count: 3   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

8XR-T9UProustite

Multiple photos available
Himmelfahrt Mine, Freiberg, Mittelsachsen, Saxony, Germany

Dimensions: 2.8 cm x 1.9 cm x 1.1 cm

2.8 x 1.9 x 1.1 cm. A classic example of one of the famous proustites from Freiberg. The piece hosts eye-catching proustites crystals measuring up to 7 mm which are sitting on a bit of host rock matrix. Amazingly, the piece still glows with a brilliant red color with a bit backlighting. This piece is easily 100 years old (early 1900s or before) and has a lovely antique patina all over. Some of the crystals have notably smooth faces and are incredibly well-formed, while others are somewhat skeletal in habit. The top of the main crystal has several small stepped "tooth"-like points, and while this is not damage, there are some contacts that can be seen here and there. Ex Kay Robertson Collection (#10278), and the label states that it is from the Erich Lindemann Collection. Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017). The locality given on the label is the Christian-Stollen Mine (not listed on Mindat).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939379     Uploaded by: Robert Lavinsky   View Count: 8   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

NQJ-QK4Fluorapatite, Feldspar Group

Multiple photos available
Kunar, Afghanistan

Dimensions: 3.7 cm x 3.2 cm x 1.2 cm

3.7 x 3.2 x 1.2 cm. Not your typical apatite specimen from Afghanistan. Typically, we're used to seeing purple crystals from places like Dara-i-Pech, but this piece was simply labeled as coming from the Kunar Province, and truly doesn't resemble anything we've seen before. This piece hosts a group of sharp, well-formed, lustrous, prismatic fluorapatite crystals measuring 2.2 cm sitting on white feldpsar matrix. The apatites show a bit of a bi-color appearance with a soft yellowish-green hue at each end and a pinkish-lilac hue in the middle. The piece has excellent aesthetics and presents beautifully. Ex Kay Robertson Collection (#9287). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939374     Uploaded by: Robert Lavinsky   View Count: 3   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

J8F-0EVCopper

Multiple photos available
Käusersteimel Mine, Kausen, Betzdorf-Gebhardshain, Altenkirchen, Rhineland-Palatinate, Germany

Dimensions: 5.7 cm x 5.3 cm x 4.2 cm

5.7 x 5.3 x 4.2 cm. A rarely seen historic crystallized copper specimen from the lesser known Käusersteimel Mine. The piece features hundreds of small, distinct crystals in an arborescent form free of matrix. The piece is almost a complete "floater" as it's crystallized all the way around and looks beautiful from all directions. You can see from the close-up photos that there are plenty of spots on the piece to view under magnification. The classic old patina gives the piece an antique appearance. Ex Kay Robertson Collection (#6747). The piece comes with a couple old labels including ond from the collection of Kurt Schöler and Wolfram Roemer Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939369     Uploaded by: Robert Lavinsky   View Count: 4   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

DRA-89LMimetite, Calcite

Multiple photos available
Haus Baden Mine, Sehringen, Badenweiler Pb mining district, Badenweiler, Black Forest, Baden-Württemberg, Germany

Dimensions: 8.3 cm x 6.2 cm x 4.9 cm

8.3 x 6.2 x 4.9 cm. Here is a great old-time specimen of the classic beautiful mimetites from the ancient lead-producing Haus Baden Mine in the Black Forest. This specimen features gorgeous sparkling radial groups of mimetite ranging from golden-yellow to rich orange colors measuring up to 5 mm on matrix. You can see a small associated gemmy calcite crystal on the display side, and a bit of green and purple fluorite on the underside of the specimen. This piece has excellent color and luster for the material. Ex Kay Robertson Collection (#4120). The piece is accompanied by an old hand-written label from Dr F. Krantz in Bonn. Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939364     Uploaded by: Robert Lavinsky   View Count: 6   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

FUQ-22VMixite, Cafarsite

Multiple photos available
Wanni glacier - Scherbadung area, Kriegalp Valley, Binn Valley, Wallis, Switzerland

Dimensions: 4.5 cm x 3.8 cm x 3.5 cm

4.5 x 3.8 x 3.5 cm. The most well-known specimens of the rare arsenate cafarsite are found at the famous mountain of Scherbadung (German name) or Cervandone (Italian name), in the Binntal on the Swiss/Italian border of the Alps. The species got its name from this chemical composition (calcium, iron {Fe}, arsenate), but it turns out that the species has essential fluorine, so the chemical formula is going to be changed soon to reflect this. Additionally it appears that there is also sodium, manganese, aluminum and REE that will be part of the formula, so the species might have to be renamed to canafemnaltiarsite. This is a nice piece of cafarsite from the type locality, featuring a bronze colored, altered crystals which are being replaced by green mixite on matrix. This is a very good representative specimen from this classic Alpine locality. Ex Kay Robertson Collection (#10713). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939360     Uploaded by: Robert Lavinsky   View Count: 17   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

QGN-DRMMimetite

Multiple photos available
Potosí Mine, Francisco Portillo, West Camp, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico

Dimensions: 3.5 cm x 1.8 cm x 1.6 cm

3.5 x 1.8 x 1.6 cm. Typically the mimetites from the Potosi Mine are similar to pieces from the Ojuela Mine with yellow, resinous clusters, but this piece is superb quality not only for the locality, but for mimetite in general. Sharp, gemmy, highly lustrous, intense yellow color, thin, prismatic hexagonal crystals of mimetite measuring up to 5 mm sit atop an oxidized matrix on this beautiful miniature specimen. These are some of the most lustrous and gemmy crystals I've seen from the mine, regardless of size. The specimen dates back to the mid to late 1970s. Ex Kay Robertson Collection (#13204). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017). From the 13th Level.
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939356     Uploaded by: Robert Lavinsky   View Count: 3   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)

14L-QH0Calcite, Muscovite, Rutile

Multiple photos available
Rist Mine, Hiddenite, Alexander Co., North Carolina, USA

Dimensions: 9.8 cm x 5.3 cm x 4.7 cm

9.8 x 5.3 x 4.7 cm. A classic, old-time, hard-to-find specimen of calcite from the famous old Rist Mine in North Carolina. This mine is best known for its beautiful green emeralds and hiddenites, and good matrix specimens of calcite are actually quite rare. This specimen hosts sharp, well-formed, lustrous, translucent, off-white colored rhombohedra of calcite measuring up to 2.3 cm associated with semi-metallic, lustrous, sharp bronze colored bladed muscovite and minor prismatic rutile on matrix. Ex Kay Robertson Collection (#1657). Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017).
Copyright: © Rob Lavinsky & MineralAuctions.com      Photo ID: 939352     Uploaded by: Robert Lavinsky   View Count: 4   Approval status: Public galleries    Type: Photo - 864 x 864 pixels (0.7 Mpix)
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