Miserite is a rare complex silicate. Here it occurs as pale pink to grey interlocking prismatic crystals forming the matrix. Miserite fluoresces a nice yellow color under short wave ultraviolet. Quite a rare mineral actually.
Dimensions: 5.3 x 3.2 x 2.7cm
Species: Miserite
Locality: North Wilson Mine, Wilson Springs, Garfield Co., Arkansas, USA