Baryte is used inter alia in sound attenuation, radiation protection and the deep mining industry.

The pit, which is operated by the firm of Sachtleben Bergbau is the last active mine of the many that were once worked in the Black Forest.

Its most common minerals are azurite, baryte, chrysocolla, claraite, cornwallite, fluorite, goethite, clinoclase, copper, malachite, pyrite, pyromorphite, mimetite, stolzite, silver und scorodite.

The fissures in the mine are part of the Friedrich Christian Herrensegen Fault Zone in the Black Forest Gneiss Complex.

The Clara Pit has given its name to the mineral, claraite and is also the type locality for the following minerals: agardite-(Ce),[2] arsenbrackebuschite,[3] arsenocrandallite,[4] arsenogorceixite,[5] arsenogoyazite,[6] bariopharmacosiderite,[7] benauite,[8] bismutostibiconite,[9] claraite,[10] cualstibite,[11] phosphofibrite,[12] phyllotungstite,[13] rankachite,[14] rhabdophane-(Ce),[15] tungstibite,[16] uranotungstite.