Friedelite

Friedelite is a mineral[2] in the pyrosmalite group.

[3] The mineral is named after Charles Friedel.

The name friedelite is only for pure Mn end-member of the group pyrosmalite.

[4]: 30 The mineral was named in 1876 by Emile Bertrand after Charles Friedel.

[2] The mineral has a colorful luminescense under UV light.