|Minerals of the Chickering Mine Walpole, NH GYPSUM CaSO4 · 2H2O Back to Chickering front page.|
Specimen owner ID's (capitals): TM = Tom Mortimer, BW = Bob Wilken, BJ = Bob Janules, PC = Peter Cristofono, AW = Anna Wilken
Photographer ID's (lower case).
Identification: Visual. Gypsum is found with weathering sulfides at the Chickering Mine.