MINERAL SPECIMENS from the TUCSON and MUNICH shows
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This specimen features complex, cityscape clusters of fluorite piled one atop another to make a dramatic handsized specimen. The quality is very good fo rthis ancient locality, from which we see few pieces for sale today. The deep yellow crystals measure to about 1 cm at largest, and many are very gemmy and transparent. It is nearly pristine and complete all around, and is in remarkably good shape thus, for an old and 3-dimensional specimen. A rare, and important, display-quality German classic from an Old german collection
With crystals of sharp and distinct arrowhead-like form, to 1.1 cm, this is a very beautiful and fairly important German crocoite. Most people have never heard of such a thing, and few of quality are seen on the market. This is, for overall display quality and the size and color of the crystals, a pretty good example. A rare, and important, display-quality German classic from an Old german collection I buy all I find, of any quality - which amounts to about only about a half dozen in the last decade.
German magnetite, in good form, is something I simply had never seen in a good specimen for sale. This remarkable, cabinet-sized specimen comes from the famed old quarries at Callenberg, which also produced crocoite (rarely). Here, we have a large display face with dozens of sharp magnetites, to 1 cm in size, on the face. Some of the oldest magnetite crystals known to science probably came from this locality. A rare, and important, display quality German classic from an Old german collection
A showy and excellent specimen of sparkly, rich teal-blue langite microcrystals on matrix from Ireland! Langite is a copper sulfate, rare overall, and known at its prettiest from this classic locale. This miniature is sparkling, like blue sugar, and is a very appealing example of the species
This is an old classic, rarely seen today! It is a DOUBLE PSEUDOMORPH, consisting of chrysocolla that replaced malachite, which itself replaced azurite blades. They come from the old Whim Well area of Australia. It is a beautiful, intense, deep blue color in person, though appears a few shades lighter in the photos for some reason
With botryoidal spherical aggregates to 7 mm, this specimen hosts some of the largest balls I have seen from this recent find, of summer 2009.
With botryoidal spherical aggregates to 7 mm, this specimen hosts some of the largest balls I have seen from this recent find, of summer 2009.
With botryoidal spherical aggregates to 8 mm, this specimen hosts some of the largest balls I have seen from this recent find, of summer 2009.
Beautiful beige spherical aggregates of botryoidal mimetite, from a summer 2009 discovery. Unusual locality, and good contrast , make these highly interesting
Superb, sharp, upthrusting crystals to 2.4 cm spray out from a common centre on matrix, here, in this unusually aesthetic example. This is from THE classic old locality for the species, where these crystals were first found in the 1880s. Most miniatures are just blocky black masses with some crystals sticking out. This one is actually elegant, and as such is one of the better examples I have had of the german manganites, and in a good price range as well.
This is a choice set of very carefully selected gem spinel crystals, from the heyday of Mogok exports before the current embargo (late 1990s). Combined weight is about 10 grams, so you know these are not small…all are full thumbnails, each one choice and worthy on its own merits. All are perfect floaters. The rightmost is a macle twinned crystal, which looks like a triangular crystal, 1.5 cm on edge. Second from right is a VERY GEMMY, jewel-like, perfect octohedron, 1 cm on edge (longer on the diagonal) of top quality, cherry-red color, valued $750. The two left crystals are octohedral floaters as well. The leftmost is purple/lavender color , though it is hard to photograph it as such with accuracy for some reason (valued $1000 for rarity of the color , and size /gemminess). The crystal next to it, is a doublet of gem octohedra with the classic cherry-red color (valued about $750).. Sold as a set, and frankly hard to reassemble today in a diminished market of Mogok exports
A most unusual apatite from this once productive locality, with the unusual feature of several layers of concentric growth. This is something you often see from here, in crude form, but seldom so sharply defined, and with such contrasting colors! It looks like it has an eyeball in the middle! The apatite is complete all around, composed of 2 sidecar crystals and the one major crystal . It is far more impressive in person, and is one of the most unique Panasquiera apatites I have seen , in style. This piece hits you with its unusual style, and to me is one of the most sexy minaiture sized apatites I have seen, if not the most pricey
ex. American Museum of Natural History
This is a MAJOR specimen of this very rare lead-antimony-sulfide species with crystals to 1 cm, and is overall 4 cm long when laid out in longest dimension. It hosts a beautiful ridgeline on matrix of these very rare, large plagionite crystals! This specimen has crystals above the maximum reported for the locale (see Lapis: Bolivia); and they really are quite showy in person. Other micro-mineralization, not analysed, is also present. This is AMNH number 33017 and carries a label from the mid-1900s from the Museum. It was exchanged out of the museum in the 1970s and ended up in the private collection of dealer Lawrence Conklin. Such a piece from the other great locality for the species in Germany would cost 5000, or more. Yet, from Bolivia it is more rare in reality, if not price.
Classic Cinnabar: twinned, superb metallic luster, and a rich red color that glows under the light, not even backlit. This is a HUGE crystal, and complete all around except where it attaches! The termination is freestanding, complete 360 degrees. The crystal is 3.5 cm in height, and pristine except for a few teeny tiny rubs. At 3.5 cm, this is near as big as they got. The trim job is perfect, to make a balanced full miniature.From the style, my gut feeling is that this piece dates back at least to the very early 1980s and was probably one of the very first cinnabars to come out in a trickle that shocked the mineral world. I could see this being a $10k rock at the time....they were that astonishing and highly valued in the first few batches. Of course, more were mined afterwards and came out in the mid 90s. But now, these large cyclic twins are very rare, and good matrix specimens like this more so. Ex David Michaels collection
A shockingly red-pink fluorite from this classic locale, with medium lustre but REALLY good color. The cluster of 4 crystals is dramatic and 3-dimensional. The largest is an inch, and has a sharp bifurcated termination. It is complete except for a very few tiny dings, which do not detract visually but are present and thus price is reasonable. From an old collection.
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Rob Lavinsky, rob@irocks.com
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