Cervantite is a secondary mineral found in antimony deposits associated with Stibnite. It is usually dull and earthy, and frequently forms as a
dull, crusty yellow replacement or coating over Stibnite. Cervantite is named after Cervantes, Spain where this mineral was first described.
Cervantite is found in many of the important Stibnite deposits, usually associated together with the Stibnite. Other occurrences are the Clara Mine, Rankach valley, Black Forest, Germany; the Le Cetine Mine, Chiusdino, Italy; and the Wells Fargo Mine, Deer Trail, Stevens Co., Washington.
