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Mineral Specimens with Kutnohorite
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ex. Charlie Key
A complex specimen featuring sheaves of kutnahorite perched upon a twinned calcite crystal that has been completely replaced by manganoan calcite.... FLOATER! Unique, in my experience, for this particular combinaiton of qualities
The best specimens of kutnahorite are from the Wessels mine. This aesthetic specimen has several elongated, doubly terminated, "baseball bat" shaped crystals, colored light pink, and measuring 4.5 cm in length. Very nice, and dramatic!
Superb, really pink kutnahorite crystals PERCHED on matrix of manganese ore! They measure 4-plus cm long. You ALMOST NEVER SEE this style of crystallized kutnahorite on matrix! In fact, I cannot recall the last time I saw one on matrix.
Beautiful, intricate floater cluster of elongated kutnahorite!
A beautiful specimen with DEEP PINK manganoan calcite in 3-dimensional rounded globules and odd extended tubes, perched atop a curving mass of paler-pink, less lustrous and so contrasting, kutnahorite. This is a palm-sized piece with rich color and dimensionality to it that makes a stunning visual impac tin a case.
A stunning 3-dimensional treelike cluster of bright pink kutnahorite crystals, probably on a manganocalcite core. This is a VERY DRAMATIC specimen, and is much more impressive in person! The cluster is 6 cm across tip to tip, and VERY 3-dimensional!
A beautiful, truly sculptural specimen with finely filigreed crystals of kutnahorite in curving rows and layers twisting upon each other. Extremely dramatic example of this style, as I think the pics convey! Usually this style is labelled simply as kutnahorite, but there is probably some manganocalcite mixed in as well (its a series) in the underlaying , less crystallized platelike layers upon which the finely filigreed crystals rest.
A beautiful, truly sculptural specimen with finely filigreed crystals of kutnahorite in curving rows and layers twisting upon each other. Extremely dramatic example of this style, as I think the pics convey! Usually this style is labelled simply as kutnahorite, but there is probably some manganocalcite mixed in as well (its a series) in the underlaying , less crystallized platelike layers upon which the finely filigreed crystals rest. I think these are among the most biological-looking of mienral specimens!
A dramatic cluster of two kutnahorite clusters, richly pink and sharply tapered! Complete and 3-dimensional, 360 degrees!
6.1 x 5.3 x 3.7 cm. Beautiful cluster of seven intergrown radial crystals that display the classic rounded terminations. This kutnohorite had a fine pink color and excellent luster. As kutnohorites go, this is one of the most aesthetic display specimens I have seen.
4.7 x 4.3 x 3.0 cm. An EXCELLENT, showy, complete all-around stalactite of massive kutnohorite covered with pastel-pink, crystalline kutnohorite from the famous Wessels Mine of South Africa.
12 x 12 x 7 cm. Lovely specimen of Kutnohorite that is exceptionally large and in very good condition. The light pink color is classic, as is the cauliflower habit. The ''top'' is like the surface of the cauliflower, and the underside shows the detailed growth of the "branches".
Superb, really pink kutnahorite crystals PERCHED on matrix of manganese ore! They measure 4-plus cm long. You ALMOST NEVER SEE this style of crystallized kutnahorite on matrix! In fact, I cannot recall the last time I saw one on matrix. 5.3 x 4.1 x 3.3 cm
Beautiful, intricate floater cluster of elongated kutnahorite! 4.4 x 4.2 x 1.9 cm
3.1 x 3.0 x 1.2 cm (largest). Two carbonate geode halves lined with tan, radial clusters covered with sparkly and transparent aragonite needles and richly dusted with lustrous, brown botryoidal kutnohorite. These fine pieces are from the well-known lignite mines of Levane, Tuscany, Italy. The locality was featured in a 1994 Mineralogical Record article.
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Rob Lavinsky, rob@irocks.com
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