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Mineral Specimens with Quartz
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This is one of the best larger specimens I have seen in awhile for the species, with SUPER LUSTROUS crystals, like glass, blanketing a large display face . It is obviously very difficult to photograph, and will be better in person where the lustre and fiery internal blue colors can be seen better. 8.4 x 6 x 2.4 cm
An unusual matrixy specimen with a catseye shimmer to the tourmaline, the major crystal of which is pale pink culminated by an extremely rich green cap. Smaller, layered crystals around the back give off a shimmering, catseye effect and highlight the major crystal nicely...BETTER IN PERSON! 6.2 x 3.5 x 2.8 cm
Doubly-terminated Quartz on top of a superb Brookite on top of another DT’d Quartz. For what it is, an absolute killer. 1.7 x 1.6 x 1 cm
Crystallized Rose Quartz is rare enough, but here it is combined with very attractive resinous brown Eosphorite crystals. They are arranged in such a way as to resemble a petrified log place aesthetically on a bed of crystals. An outstanding thumb for rarity and classy combination. 2.1 x 1.1 x 1.1 cm
Very aesthetic specimen of sharp brown-gray Siderites partially coating equally sharp white Quartz crystals. Almost pristine all around - just with one Quartz crystal missing; and so the overall elegance of this is hard to deny. A very fine specimen. 3.2 x 2.8 x 1.9 cm
To my mind, there are no smokies in the world that truly rival the Swiss ones for luster, clarity, and sheer beauty. This one would show you why. Good in the pics, way better in person! 3.7 x 2.3 x 2 cm
Fine well-defined blades of Allanite set among superb Smokey Quartz crystals. While the habit is usual for the Allanites, the luster is better than normal. This is an aesthetic and very interesting thumb. 2.7 x 1.8 x 1.7 cm
Sharp and aesthetic, this doubly-terminated Amethyst scepter is gemmy and has a superb luster. Considering that it is from a small location, this is quite a marvelous thumb. 2.6 x 1.8 x 1.5 cm
ONE OF THE WEIRDEST, MOST INTERESTING ROCKS YOU WILL EVER SEE....This is a most unusual, and very attractive quartz crystal. I believe that the inclusions are multi-hued fine clays. One oddity is that certain faces display more luster than others. There is also a very thin translucent rim at the terminations. The crysatl elegantly tapers towards the base. At the termination apex there is a tiny ding, but this is trivial. 8.5 x 4.6 x 2.6 cm
This spectacular large crystal is DOUBLY-TERMINATED! Amethyst from this deposit has certain unique characters and this piece shows them all: Color zoning, rich purple to colorless gradient of color with a deep internal phantom, along with the pinching in the middle or a “bowtie” effect, make these specimens a must for collectors. This particular specimen has everythign going for it there, plus is terminated on both ends to boot. A really dramatic piece from classic finds of the late 1980s. 12.3 x 2 x 2 cm
Twinning in quartz, especially when well-formed in good crystals, is very beautiful. In my opinion, the most spectacular twinning in quartz is the Japan Law twin. This superb specimen exhibits sharp twinning and is transparent throughout, illustrating the habit about as well as you could ask - especially for a US specimen (they are more common from Brazil, or even old Japanese locales in this quality). For Montana in particular, this is just a buttkicker of a crystal. In addition, this pristine specimen is a doubly terminated floater complete even around the bottom where you'd normally expect a broken point; and with accenting inclusions of schorl near the base to give a little more visual interest to the piece without detracting the eye from the sharp symmetry. Hands down, one of the best examples of this material I have ever seen. Not surprising, since Marty almost certainly got it from his friend Dave Bunk, who also lives in Denver and happens to be the one who controls the production and marketing of these quartz twins. 8 x 6.4 x 2.5 cm
A near flawless, 7.5 cm, transparent and colorless, quartz crystal, with only one very minor bruise near the termination, is pierced by a green elbaite that, unfortunately, is not terminated. Still, its a dramatic showcase stunner! 7.5 x 2.7 x 2.2 cm
A remarkable piece for the location, featuring a fat, unusually large octohedral fluorite of classic grape juice color, perched on sparkling matrix of drusy quartz. I have never seen such a large, freestanding crystal from this locality! This is a major US fluorite, for intrinsic quality aside from the locality value itself 6 x 4.7 x 3.4 cm
Totally bounded by faces, this translucent and partially hollow specimen, occurs as the non crystalline center of certain agates. Definitely not a common occurrence in the stock of mineral dealers. I have never seen one of these from anywhere but Brazil. From California ?!?! NOTE FROM A FRIEND: These polyhedrons occurred in a Tungsten mine near Bishop, California. The correct spelling is “Pine Crik”, according to Ed Weber (Weber’s Minerals of Encinitas). I got mine from Ed, who had them in his geode collection. According to Ed; these were found in the late 60’s through the early 70’s. - Russ Rizzo 5.8 x 2.7 x 0.9 cm
Translucent, rich pink rhombs of rhodochrosite, the largest of which is 5 cm across, are studded with stunning, gemmy, light-purple, cubes of fluorite to .6 > also accenting the red color are 1 cm, sparkling, colorless quartz crystals. There is only trivial edge wear and a small 4 mm spot of minor damage to the very rear edge, at the visual periphery of the large rhomb and to the back from its front angle of display; but that is to be expected for such a soft mineral and a crystal of such size. There are no repairs or plastic fill, which is notable and also quite unusual for a specimen of this size and exposure. The crystal is very 3-dimensional, and perched as if upon a natural pedestal of smaller crystals and a big of galena-rich matrix. The overall effect is stunning , and there is a lot more sparkle and color flash to the piece in person than you gather from teh picture. Now that the Sweet Home Mine is closed permanently, specimens of this quality are rapidly escalating in price and i CANNOT replace a piece like this at ANY price. Frankly, they are like money in the bank which is why I now post so few of my stash of these critters, and accumulate others to save in the bank. As far as any mineral I have ever seen. good Sweet Homes are an appreciable asset to high degree. 8 x 5.8 x 3.8 cm
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Rob Lavinsky, rob@irocks.com
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