Huge twin galena with calcite

From our selection of collectible minerals we present a rare twin galena crystal with calcite from Madan, Bulgaria. Moreover, it is characterized by a striking twinning between the galena crystals, of substantial size and well-defined faces, embellished by calcite crystals that create a pleasant chromatic contrast between the metallic gray of galena and the whitish-yellow tones of calcite, which 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 highlight its natural structure and visual impact. Galena is the principal lead (PbS) mineral, characterized by a cubic crystal system and perfect cleavage along the cube faces, which gives it a typical bright metallic appearance. The Madan mining district, in the Rhodope Mountains, is one of the most important lead-zinc deposits in Europe, exploited since ancient times and renowned among collectors for the quality and twinning of its galena crystals. The associated calcite often forms in later hydrothermal stages, encrusting the faces of the crystals already developed. This is an ideal specimen for mineral collections, display, and for those who appreciate the natural beauty of minerals, also in the field of crystal therapy and lithotherapy, according to the properties traditionally associated with the mineral species. All minerals are 100% natural and untreated, except for rare exceptions always noted in the description. Photographs are taken with professional lighting to best enhance colors and details; however, slight tonal variations may occur depending on the device or ambient light. Shipping is carried out via reliable and carefully selected express couriers, with fast delivery (in many cases 1-2 business days in Europe), tracked and insured shipping and professional, safe 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 contact us to arrange the consolidation. For important pieces, direct delivery by appointment to your home or at major European fairs is also available. We remind you that you can view all items in auction at the following link: www.catawiki.com/it/u/16653967 Follow us also in live auctions every Monday and Friday at 20:55! If you would like to view videos, request additional information or satisfy curiosity 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

Schätzpreis:€350

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