Yellow sulfur aesthetic with fluorescent aragonite...

From our selection of collectible minerals, we present a splendid group of sulfur crystals with aragonite from Agrigento, Sicily. Furthermore, it is characterized by the vivid color contrast between the yellow-orange, well-formed, glossy sulfur crystals and the white Aragonite matrix, made even more evocative by the fluorescence the piece exhibits under UV light, elements that increase its aesthetic value and mineralogical importance. 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 sulfur basin of the Agrigento area was one of the world's most important sulfur mining centers for over a century, with deposits formed during the Miocene inside evaporitic sequences rich in gypsum and anhydrite, where the action of sulfate-reducing bacteria transformed sulfates into native sulfur. Aragonite, a polymorph of calcium carbonate chemically identical to calcite but with a different crystal structure, is a metastable phase that tends to convert to calcite over time. The fluorescence of many aragonites is due to trace amounts of manganese or organic substances trapped in the crystal lattice. This is an ideal specimen for mineral collections, display, and for those who appreciate the natural beauty of minerals, also in the context of crystal therapy and lithotherapy, according to the properties traditionally associated with the mineral species. All minerals are 100% natural and untreated, with very rare exceptions always noted in the description. The photographs are taken with professional lighting to best highlight colors and details; however, slight variations in shade may occur depending on the device or ambient light. Shipping is carried out via reliable, selected express couriers, with fast delivery (in many cases 1-2 working days within Europe), tracked and insured shipping and professional, secure packaging, as confirmed by customer reviews. Deliveries can also take place the day after payment depending on the destination. It is possible to accumulate multiple purchases and receive them in a single shipment, even from auctions with different deadlines, simply contacting us to organize the consolidation. For important pieces, direct delivery by appointment to your home or at major European fairs is also available. Remember that you can view all the pieces in the auction at the following link: www.catawiki.com/it/u/16653967 Also follow us in the live auctions every Monday and Friday at 20:55! If you would like to view videos, request additional information or satisfy some curiosities about the pieces in CataWiki special auctions, do not hesitate to contact us. You can find other contacts here: www.italmineral.com/pages/contact

Estimation:€1

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