MR Vol. 41 no. 2 (march/april 2010)

The Mineralogical Record Vol. 41 no. 2 (march/april 2010)

Articles: 

- Sperrylite from the Talnakh Orefield, Norilsk Region, Eastern Siberia, Russia

- Sperrylite from the Tweefontein Farm, Limpopo Province, South Africa

- The Fanwood quarry, Somerset County, New Jersey

- The Brown Monster and Reward Mines, Inyo County, California

Columns

- Notes from the editors

- Obituaries: Eric Pffermann, Julius Zweibel and Roger Titeux