Aesthetic quartz with green malachite

From our selection of collectible minerals, we offer a splendid group of Quartz crystals with Blenda (Sphalerite), Malachite, and Pyrite from the Island of Giglio, in Tuscany. Furthermore, it is characterized by numerous transparent, gleaming quartz crystals, arranged in elegant radiating aggregates on a matrix, enhanced by the color contrast between the black Blenda and Pyrite crystals and the vivid inclusions of emerald-green malachite, which 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. Quartz, silicon oxide (SiO2), is one of the most common minerals in the Earth's crust and owes its characteristic trigonal structure to a regular arrangement of SiO4 tetrahedra. The Island of Giglio belongs to the Tuscan magmatic district, linked to the same granitic intrusions that gave rise to the famous deposits of Elba, where hydrothermal fluids favored the formation of quartz, Blenda, and Pyrite associations in the rock fractures. Malachite, basic copper carbonate, forms from surface alteration of primary copper minerals and owes its intense green color to the presence of Cu2+ ions. This is an ideal specimen for mineral collections, display, and for those who appreciate the natural beauty of minerals, even within crystal therapy and lithotherapy, in line with the properties traditionally associated with the mineral species. All minerals are 100% natural and untreated, except for rare cases always indicated in the description. The photographs are taken with professional lighting to best showcase colors and details; however, slight variations in shade may occur depending on the device or ambient light. Shipping is carried out via reliable and selected express couriers, with fast delivery (in many cases 1-2 working days in Europe), trackable and insured shipment, and professional and safe packing, 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 end times, 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 view all the pieces in the 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 some curiosities about the pieces in the special CataWiki auctions, do not hesitate to contact us. You can find other contacts here: www.italmineral.com/pages/contact

Estimación:€220

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