Minerals of the Chickering Mine Walpole, NH        OPAL var. Hyalite    SiO2·nH2O          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. Fluoresces bright green.
Discussion:
Highslide JS
OPAL var HYALITE     8 mm field of view      PC     Photo: OAP_1   [pc]
 Highslide JS
OPAL var HYALITE     10 mm field of view. Hyalite on medium grained lepidolite matrix.      TM     Photo: OAP_1   [tm]