Rare fluorescent calcite with sphalerite

From our selection of collectible minerals we offer a rare fluorescent Calcite with sphalerite from the United States. Moreover, it is characterized by a transparently formed Calcite crystal, in association with sphalerite crystals that create a striking color contrast and pronounced fluorescence under UV lamp, along with the rarity of the provenance, elements that increase its aesthetic value and mineralogical significance. The specimen stands out for the quality of crystallization and for the overall aesthetic balance, with features that enhance its natural structure and visual impact. The Calcite owes its fluorescence to traces of activator elements, such as manganese or lead, which in the calcium carbonate structure absorb ultraviolet radiation and re-emit it as visible light. The association of calcite with sphalerite is typical of low-temperature hydrothermal deposits, where both minerals crystallize in cavities and fractures of the host rock. In the United States some localities are noted precisely for the quality and color variety of fluorescent calcites found together with sulfides such as sphalerite. This is an ideal specimen for mineral collections, display, and for those who appreciate the natural beauty of minerals, also in the realm of crystal therapy and lithotherapy, according to the properties traditionally associated with the mineral species. All minerals are 100% natural and untreated, with rare exceptions always noted in the description. Photographs are taken with professional lighting to best showcase colors and details; however, slight tonal variations may occur depending on the device or ambient light. Shipping is conducted by reliable and selected express couriers, with fast delivery (in many cases 1-2 working days in Europe), tracked and insured shipping and professional and safe packaging, as confirmed by customer reviews. Deliveries can also occur the day after payment depending on the destination. It is possible to combine multiple purchases and receive them in a single shipment, even from auctions with different end dates, simply contact us to arrange the consolidation. For important pieces, direct home delivery by appointment or at major European fairs is also available. Remember that you can see all the pieces up for auction at the following link: www.catawiki.com/it/u/16653967 Follow us also in the live auctions every Monday and Friday at 20:55! If you would like to view videos, request additional information, or satisfy curiosities about the pieces in CataWiki's special auctions, do not hesitate to contact us. You can find other contacts here: www.italmineral.com/pages/contact

Estimación:€150

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