Friedelite | |
---|---|
General | |
Category | Mineral |
IMA symbol | Fdl [1] |
Identification | |
Mohs scale hardness | 4 - 5 |
Streak | White |
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. [3]
Its color can be pale pink, dark brownish red, red, brown, or orangish red. It is normally found in 1 to 5 carats [5] as well as nontransparent. [2]
The mineral has a colorful luminescense under UV light. [2] With the fluorescence being red, but at rare times it has a green or yellow fluorescence. [6]