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Mineral Specimens with Legrandite
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3.5 x 1.9 x 1.6 cm. This amazing specimen features thick, plate-like crystals of lemon-yellow paradamite perched atop a spray of legrandite, itself perched up on matrix. It is an aesthetic example of one of the supreme Mapimi rarities, not found in several decades even though the mine remains open (it was from the bottom levels, which are now flooded).
4 x 4 x 1.5 cm. A fantastic spray of beautiful silvery Kottigite crystals. The Kottigites have the classic silky luster that makes it so attractive, and the color is a very clean silver. The association with yellow legrandite makes for a fine contrast. Ex. Charlie Key.
3.1 x 2.7 x 1.4 cm. A gemmy and lustrous spray of golden-yellow legrandite crystals aesthetically set in gossan matrix. Ex. Dave Stoudt Collection.
3.8 x 3.5 x 2.2 cm. A fine, gemmy and lustrous spray of opposing golden-yellow legrandite crystals aesthetically set in gossan matrix. Ex. Dave Stoudt Collection.
2.1 x 1.5 x 1.7 cm. Paradamite is a rare zinc arsenate, found in only three localities worldwide. Mina Ojuela is the Type Locality and this fine specimen also includes legrandite which is a rare combination. This fine thumbnail features a beautifully placed, angled legrandite crystal flanked by lustrous and gemmy, yellow paradamite crystals on the bit of gossan matrix. Ex. Dave Stoudt Collection.
2.7 x 2.0 x 0.7 cm. A beautiful and striking thumbnail plate festooned with gemmy, yellow legrandite crystals from the Mina Ojuela of Mexico. Ex. Consie Prince and Dave Stoudt Collections.
7.1 x 6.6 x 3.9 cm. Small, sparkling rosettes of brilliantly yellow, translucent legrandite crystals crown this contrasting matrix of drusy siderite, itself fairly lustrous. Most people assume that the Ojuela Mine in Durango was the type locality for legrandite but this is not true…it was found here first, if more sparsely and in smaller crystals. Specimens of this original type locality material is extremely scarce and only turn up in old collections, generally of people who heavily collected Mexico material in the 1950s- 1960s when it came out. This is a large, beautiful plate and should be considered an extreme rarity, a piece of mineralogical history almost by today’s standards. Ex. Consie Prince Collection.
3.1 x 0.9 x 0.4 cm. Legrandite from this mine sets the standard, and this is a fine, gorgeous, intensely colored small miniature or large thumbnail specimen with a relatively large crystal. Found in the early 1980s.This crystal is unusually translucent. Ex. Charlie Key.
2.6 x 1.8 x 1.5 cm. This is a superb legrandite thumbnail as much for the immediate appeal of its color and starburst form as for the more scientific appeal of seeing this rare habit for the species, and in a crystal cluster of such size (usually these hedgehog-like spherical clusters are just tiny). Ex. Jaime Bird Collection.
A wonderful thumber of the rare zinc arsenate legrandite, with superb luster, the brightest yellow color, and a fine, lustrous termination. 2 x 1.2 x 0.6 cm
A highly lustrous and beautiful spray of gemmy yellow legrandite needles from Mina Ojuela. Seldom available in this quality, this piece is from the collection of Willard Perkin, for whom the perky box is named. 1.7 x 1.3 x 0.7 cm
1.7 x 1.6 x 1.2 cm. A fine cockscomb spray of gemmy, lemon-yellow legrandite crystals wraps around a bar of gossan matrix on this Mina Ojuela thumbnail from the Ed Ruggiero Collection. This was a very rare style for the species, from one famous pocket in the early 1970s. Ed purchased this thumbnail from Pala Properties in October, 1975.
5.5 x 4.1 x 2.9 cm. From the famous finds of the early 1980s we have a specimen that is a well-trimmed miniature hosting a dramatic 2.5-cm-long spray of beautiful yellow legrandite crystals. As a large miniature, and with a large spray, this is a fine specimen.
6 x 3.8 x 3 cm. The Romero collection contained the single most important stash of fine legrandites still in one place, and this was one of his several matrix specimens. It is a radiating cluster of crystals to nearly 4 cm, perched on limonite matrix. It has no damage save a few trivial contacts at the base. In color, it is a pure lemon yellow, the top hue for the species, and has a 3-dimensionality hard to convey in photographs. The story of this find is told on page 28 of the book, in relating the adventures of the famous Aztec Sun specimen also in the Romero collection. Once a core specimen on display in both his museum, and later for a decade in the University of Arizona Mineral Museum on loan from the Romero family. Featured in the book on Romero's collection, on page 30. Jeff Scovil photo. Ex. Dr. Miguel Romero Collection.
3.9 x 2.5 x 2.1 cm. This is a very rare legrandite specimen from the type locality for the species: which is not Ojuela as most people think, but a smaller and earlier find in Nuevo Leon, within a completely different location and geology. This specimen is attractive in that the legrandite is contrasted against olive-green and brown, botryoidal, smithsonite (this association is a dead giveaway of its true origin, aside from the unique crystal form and notably radiating habit of the legrandite clusters themselves). Overall, it is a rich and showy piece. For the location, it’s very good. Ex. Consie Prince Collection.
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Rob Lavinsky, rob@irocks.com
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share specimen![Paradamite, Legrandite from Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico [db_pics/mdpics/MD-179797a.jpg]](db_pics/mdpics/MD-179797a.jpg)
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