Cylindrite (large, fine rarity) ex Mullane Coll

Item Description

A SUPER and RICH specimen of metallic-bright, elongated, cylindrite crystals on matrix from Poopo, Bolivia. Cylindrite is a RARE lead, tin, iron, antimony sulfosalt and this is a REALLY GOOD and LARGE one with characteristic crystals that look cylindrical (hence its name) - a mineralogical freak of nature. All three sides of the wedge-shaped matrix are richly invested with cylindrite crystals, that reach 2.0 cm. BETTER IN PERSON. THIS IS AN EXCEPTIONAL, RICH EXAMPLE OF THIS RARITY. such specimens have not been found in quantity in some years. Valued $750-900