Rosell Minerales

A classic old-time specimen of hydroxylherderite, well crystallized, with sharp translucent idiomorphic monoclinic crystals. Lustrous and with a greenish-yellow tone. Associated with albite and muscovite from the Golconda pegmatite in Brazil. From Manchion Col., purchased in 1987 to Dr. Joan Viñals. Previously misidentified as herderite. Previamente mal identificada como herderita.

Size: 6.5 x 4.3 x 4.2 cm.
Main crystal: 3 mm
Found in 1987.

Col. Manchion #354, J. Viñals 04/1987,