Linnaeite

Linnaeite is a rare mineral composed of lead sulfide (PbS). It is named after the Swedish mineralogist Carl Linnaeus, who was the first to describe the mineral in 1747. Linnaeite typically forms in hydrothermal veins and is often associated with other sulfide minerals such as galena and sphalerite. It is characterized by its metallic luster and a lead-gray color. The mineral has a hardness of 2.5 on the Mohs scale and a specific gravity of approximately 7.6. Linnaeite is not commonly used in industry due to its rarity and the presence of more abundant and economically viable lead ores. However, it is of interest to mineral collectors and researchers due to its unique properties and historical significance.