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Mineral Specimens with Goethite
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Whether you consider this a true pseudomorph or a hollow cast, either way you shake it this is an outrageously good specimen. The botryoidal Goethite has superb luster and just the color and texture that you would want. The few places that there are dings actually enhance the specimen because they provide small windows into the multi-layering of the Goethite. Seldom do you see these so sharply formed and well-preserved! Usuaully they are much thinner, more fragile casts with many holes in them. 3.9 x 1.9 x 1.9 cm
A complete all-around, beautiful spray of chatoyant, clove-brown goethite blades from Florissant, Colorado. Very, very trivial damage to this showy piece. Ex Steve Smale Collection. 5.2 x 4.0 x 3.7 cm
Flecks of bright gold in a goethite matrix, an old specimen from La Paz County in Arizona. 5.9 x 3.9 x 2.5cm
We had two of these amazing limonite specimens in auctions awhile back. We spent 4 months after that trying to track down the Chinese guy who had them, and by the time the Tucson Show rolled around, we had found him and arranged to meet him in Tucson. There, he had about 65 specimens - the great majority of which were ugly, but about 6 or 7 of which had the amazing irridescence you see here. We had to buy the entire lot of 65 to get the 6 or good ones - which was hard to bite off, but we did it. So here you have it: one of the most amazing looking rocks you would ever want to see! The surface of this irridescent limonite looks like it is from another world - bumps and curves and craters, shimmering with an amazing spectral array of colors that look almost unreal! This is a LARGE one, too. Note that we did not see ANY MORE of this material at the show, with anybody! 11.7 x 10.3 x 6.0cm
This is a classic vanadinite specimen from the world’s premier vanadinite locality. A 1.1 cm across gemmy, orange, vanadinite crystal has grown on a goethite stalactite. Very aesthetic! 2.7 x 1.4 x 1 cm
The major crysatl here is 4.5 cm , or almost 2 inches, tall! EVERYTHING is a consistent, deep red, cherry color that is tops for the locality. Lustre is very high, and the surfaces are not pitted as you sometimes see on large crystals from Peru. The sharp terminations stick out every which way and you can display this as shown, upside down or right side up, or vertically with the major crystal pointing up and the others pointing to the left and out. There is no damage showing form the display face, and only a small bit of contacting, and that on the periphery. It is very 3-dimensional and dramatic, any way you look at it! The small, dodecahedral fluorites aadd a nice accent. This thing GLOWS in a showcase. 5 x 3.8 x 2.6 cm
A new find of unusual and imposing limonite has just been made in China. This particular specimen has great sculptural quality exhibiting both stalactitic and botryoidal form. It is very dramatic and is complete all around. Each parallel growth stalactite measures at least 8 cm from the base. 13 x 9 x 8 cm
A beautiful "tower" of super-sharp limonite crystals, complete all the way around and apparently stalactitic, to over 2 cm. This fine piece came out of the Marty Lewadny collection. 7.0 x 4.2 x 3.2cm
We had two of these amazing limonite specimens in auctions awhile back. We spent 4 months after that trying to track down the Chinese guy who had them, and by the time the Tucson Show rolled around, we had found him and arranged to meet him in Tucson. There, he had about 65 specimens - the great majority of which were ugly, but about 6 or 7 of which had the amazing irridescence you see here. We had to buy the entire lot of 65 to get the 6 or good ones - which was hard to bite off, but we did it. So here you have it: one of the most amazing looking rocks you would ever want to see! IT IS MUCH MORE COLORFUL AND FLASHY IN PERSON - just very hard to capture in pics. It shimmers with an amazing spectral array of colors that look almost unreal! This is a LARGE one, too. Note that we did not see ANY MORE of this material at the show, with anybody! 10.1 x 8.6 x 7.1cm
An EXCELLENT and VERY SHOWY specimen of lustrous, black goethite pseudomorphing selenite crystals from Santa Eulalia, Mexico. This very fine piece was in the Dr. Gary Hansen Collection and is old, choice material. VERY RARE in such qualitya nd with real lustre! 8.5 x 6.5 x 4.2 cm
We had two of these amazing limonite specimens in auctions awhile back. But that was all we had. We spent 4 months after that trying to track down the Chinese guy who had them, and by the time the Tucson Show rolled around, we had found him and arranged to meet him in Tucson. There, he had about 65 specimens - the great majority of which were ugly, but about 6 or 7 of which had the amazing irridescence you see here. We had to buy the entire lot of 65 to get the 6 or so good ones - which was hard to bite off, but we did it. So here you have it: one of the most amazing looking rocks you would ever want to see! IT IS MUCH MORE COLORFUL AND FLASHY IN PERSON - just very hard to capture in pics. It shimmers with an amazing spectral array of colors that look almost unreal! This is not only a large one, but is an actual STALACTITE, complete and undamaged all around! Note that we did not see ANY MORE of this material at the show, with anybody! 13.5 x 4.7 x 3.9cm
Pretty, lustrous "fans'' of crystals standing up on a matrix of limonite, from Mina Ojuela. 7.3 x 5.1 x 1.4cm
This specimen might actually be Cryptomelane, but it would have to be analyzed to be certain. Nonethless, it is a very attractive, grey-black color stalagtitic spherical crystal group with great form. A beautiful piece from this locality that is best known for its Vanadinite specimens. 8.5 x 6.8 x 2.8cm
Beautifully nestled in a vug is a well-formed, large, 3-cm , crystal of lustrous, cherry red, rhodochrosite . It is translucent to transparent , mostly the latter. It is even doubly terminated with a sharp prism atop and a flat basal termination on the bottom. In fact, given this, it displays just as nicely on a horizontal viewing, with the dt-crystal perched atop the knoll of matrix. Its just harder to photo that way for some reason. This is certainly a piece that can be said to be among the top rhodo miniatures found at Uchucchaccua, and for its style is a unique specimen 3.3 x 3.1 x 2.7 cm
We had two of these amazing limonite specimens in our auctions awhile back, much smaller than this. We spent 4 months after that trying to track down the Chinese guy who had them, and by the time the Tucson Show rolled around, we had found him and arranged to meet him in Tucson. There, he had about 65 specimens - the great majority of which were ugly, but about 6 or 7 of which had the amazing irridescence you see here. We had to buy the entire lot of 65 to get the 6 or so good ones - which was hard to bite off, but we did it. So here you have it: one of the most amazing looking rocks you would ever want to see! IT IS MUCH MORE COLORFUL AND FLASHY IN PERSON - just very hard to capture in pics. It shimmers with an amazing electric purple and green that looks almost unreal! This is the largest and one of the most colorful of all – in general, certainly the most significant specimen amongst the ones we got. (As we prepare this update, another one of these is in the current auction and the bidding has surpassed $500 again.) Note that we did not see ANY MORE of this material at the show, with anybody. 18 x 10 x 9 cm
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Rob Lavinsky, rob@irocks.com
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