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Mineral Specimens with Pyrite
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A SUPERB and SHOWY 3-sided CABINET specimen of lustrous, pastel-pink to tan, bladed rhodochrosite balls aesthetically capping massive quartz matrix covered with quartz needles and pyrite crystals from the famed Madan Ore District of Bulgaria. A very distinctive, damage-free specimen. 10.0 x 6.5 x 5.7 cm
A GORGEOUS and SUPERB emerald thumbnail from the Irv Brown Thumbnail Collection. This aesthetic specimen from the CHIVOR MINE features two gemmy and lustrous, rabbit ears-like emerald crystals set on calcite matrix with a lustrous pyritohedron in front as a nice accent. 1.5 x 1.2 x 1.2 cm
A flashy Eastern European combo specimen, with sharp, silver-metallic crystals of galena on a matrix covered with bright golden pyrite and quartz crystals. 6.4 x 5.6 x 5.3 cm
Not at all common on the market - an old New Mexico pyrite, with distinctive bronze-like crystals; this is a complete floater cluster. 7.7 x 5.1 x 3.4 cm
A beautiful Eastern European small mini, with a perfect 1 cm brassy cube of pyrite perched atop a cluster of quartz, with some smaller accenting pyrites. 4.2 x 3.2 x 2.9 cm
A beautiful and showy specimen of two generations of calcite with pyrite from the W.H. Leithauser Collection. A cream-colored calcite rhomb is partially covered with lustrous, pyrite cubes and is surrounded by lustrous, colorless nailhead calcite crystals. 5.8 x 4.7 x 3.5 cm
A very beautiful and quite rare specimen of the famous Meikle Mine barite with a coating of golden pyrite on one side! 2.6 x 1.9 x 1.8 cm
From out of the collection of European collector Jan Buma, a fine Eastern European bournonite specimen with over a dozen sharp cogwheel crystals spread over a sulfide matrix. The bournonites measure to about 0.75 cm, and have a fine metallic luster. This piece was mined in Romania in 2000. Despite the bournonites coming out of China, good bournonites from other localities continue to be highly prized. 5.8 x 4.3 x 3.2 cm
A pyrite crystal is perched on a cluster of SUPER-gemmy light pink fluorite crystals, with glassy luster! The two largest crystals have an unusual beryl-like form. Fine mini! These cam eout jus tonce, in the late 1980s following anotehr smaller pocket with larger crystals, and that was it for the best pinks. Gorgeous piece, with glassy lustre, in person 3.8 x 2.8 x 2.6 cm
The iron mines of Elba, most of which are long closed, were choice collecting localities for mineral enthusiasts, as early as the beginning of the 19th. century. The pyrite specimens, such as this one, were especially prized. In this case, jet-black, sparkling, bladed crystals of hematite act as the matrix for large, complex, brassy crystals of pyrite, to 3 cm across. As far as I can tell, the front or display faces have no damage save for the crystal at the bottom right side. Considering its age, this is a very fine old classic, Elba pyrite! It has the aesthetics you would want in a modern specimen, and is beautifully displayable from either side (horizontally) or vertically, with the crystals lined up boom-boom-boom in a row from top to bottom. It is one of the prettiest large elba pyrite matrix specimens I have seen for sale. 10.4 x 7.8 x 6.6 cm
Embedded in a micaeous schist, are several cubes of bright, brassy, pyrite, to 1.5 cm across. In addition, there is a cluster of bright, octahedral, magnetite crystals to .5 cm in length. 8.9 x 5.0 x 2.9 cm
A mirror bright, lustrous, brassy yellow cube of pyrite, to 4.0 cm across acts as a host for a smaller crystal of the same species which is obliquely, and aesthetically, perched on the larger crystal. Common material, but still and all one of the most amazing minerals in the world for its ability to impress layment with the stark symmetry (that so few outsiders believe us about, when we say it is natural!). A common mineral and locality, but a very nice example, here. 6.2 x 5.5 x 3.9 cm
I must say that this is one of the most aesthetic, scalenohedral calcite specimens I have seen from Brushy Creek. A group of intergrown, lustrous, translucent, dark gray, calcite crystals, to 5.0 cm in length, have overgrowths of finely crystallized, IRIDESCENT AND MULTICOLORED, pyrite. On the largest calcite crystal with pyriteovergrowth, a later generation of calcite crystals, in a “rabbit ear” pattern is perched aesthetically. In addition, the largest calcite crystal exhibits a wonderful phantom. This specimen highlights the exquisite taste of Peter Bancroft. This is form older finds. The mine was reopened for specimens in the late 1980s. Until that time, a piece such as this would have been even more rare than now. It is still VERY good, mind you! 12 x 7.7 x 6.5 cm
Iridescent, striated, modified cubes of pyrite, to .8 cm across, are nestled down among flower-like, clusters of snow white, translucent, calcite. The calcite clusters average 1 cm across. BEAUTIFUL and stark combination! This is old material, in a style not found in modern mining here. 10.7 x 7.5 x 3.9 cm
This amethyst rosette is a uniform, pastel lilac color, with good translucence and luster. The largest crystal is 2.0 cm in length. Enhancing this piece is a dusting of iridescent, pyrite crystals which average .1 cm across. The color of this amethyst is very close to the color of amethyst and pyrargyrite which appeared in Peter Bancroft’s first book and which proudly resides in the British Museum of Natural History, from Guanajuato. 6.8 x 6.5 x 2.9 cm
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Rob Lavinsky, rob@irocks.com
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