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CC45190

FLUORITE and CHALCOPYRITE with BARYTE

FLUORITE and CHALCOPYRITE with BARYTE


Size:
148 x 120 x 85 mm
Weight:
1956 g
Regular price $6,000.00 USD
Regular price Sale price $6,000.00 USD
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Detailed information

Species Fluorite, Chalcopyrite, Baryte
Dimensions 148 x 120 x 85 mm
Weight 1956 g
Locality Bethel Level, Minerva No. 1 Mine Illinois - Kentucky Fluorspar District Hardin Co., Illinois, USA
Condition No recorded repairs
This remarkable specimen is what one might term a 'killer'. Specifically from Bethel Level at Minerva No. 1 mine in Hardin Co., Illinois, it is dripping in class. Firstly, it was figured in Arvid Pasto's 2009 book on Fluorite - Collector's Guide to Fluorite - but as you will see if you study that photograph (fig. 66, pg. 47) the specimen has since been professionally trimmed to enhance its undoubtedly stunning features. The Fluorite crystals are cubes which reach a staggering 6 cm on edge, but we know that size is not everything. The Fluorite here is some of the glassiest you will every come across, almost mirror bright and with a smooth glassy feel to the surface. The internal transparency is excellent allowing the detail of Chalcopyrite inclusions and Baryte spheres to be seen deep within. The main Fluorite crystals are dominantly amber coloured but they are epitaxially overgrown by equally glassy blue and purple zoned cuboid Fluorite crystals. The most prominent of these overgrowths are at the corners of the larger Fluorite cubes, but some are also in the central parts of the faces and are tessellated, providing a fascinating study of crystallography. Edge-on, these epitaxial Fluorite crystals display exceptional colour zoning from pale purple to deep purple and soft blue. Cream coloured porous nodular Baryte infills the spaces between the Fluorite crystals and in some places is grown into the Fluorite, or vice-versa. Minor dark brown Sphalerite forms a core at the centre of the specimen. The Chalcopyrite crystal inclusions within the Fluorite are concentrated within the outer zone of the larger Fluorite cubes but rarely break through the surface of the Fluorite. The Fluorite crystal edges are extremely sharp and show very little in the way of damage. The crystal edges around the edge of the specimen show some damage but the main display surface is wonderful, with just two corners showing slight contact damage. This really is an amazing specimen of the highest quality from a fabulous mineral producing region in the United States.

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I bought a specimen but it is not what I expected or was damaged in transit. Can I return the specimen?

Inevitably, sometimes things don't go as expected. Whether the specimen is damaged in transit or the identity is incorrect, we are aware that this can result in the return of a specimen.If your specimen is damaged during shipping, it is vitally important to take a photo of the packaging and specimen in situ. By recording this, we get an idea of the nature and possible reason behind the damage and will be able to process the return much faster.If you discover that the mineral species has been misidentified, we require details of the method of identification in order to understand why you believe this to be the case. If the identity is in question but no formal analysis has been attempted, Crystal Classics will assess the situation on a case-by-case basis. In some instances, this may mean the specimen is sent for analysis to determine the identity.In any scenario where a specimen is analysed and the species in question is not present on the specimen, we will provide a full refund.If you feel that the specimen was misrepresented in any way, please ensure you make contact with us within the 30 day grace period for resolution.In all instances, please ensure that you call or e-mail us immediately, prior to the return of a specimen to Crystal Classics, so that we can advise regarding the returns procedure. Failure to contact us prior to the return of a specimen may lead to the rejection of your return.Shipping costs of all returns are to be covered by the customer, unless the specimen was damaged in transit or if the identity is incorrect.