Locality: Ledge behind Rt. 102 retail site, Londonderry, NH
Specimen Size: 2.4 cm specimen
Field Collected: Tom Mortimer (Dec. 2010)
Catalog No.: u1145
Notes: This water soluable mineral was found on underside of over-hanging ledge. Iron-sulfide staining was evident on ledge area. Site discovery by Peter Cristofono.
Locality: Ledge behind Rt. 102 retail site, Londonderry, NH
Specimen Size: 5 mm field of view. Clusters of clear melanterite crystals.
Field Collected: Tom Mortimer (Dec. 2010)
Catalog No.: u1146
Notes:
Locality: Ledge behind Rt. 102 retail site, Londonderry, NH
Specimen Size: 1.5 mm field of view. Clusters of clear melanterite crystals.
Field Collected: Tom Mortimer (Dec. 2010)
Catalog No.: u1146
Notes:
Locality: Ledge behind Rt. 102 retail site, Londonderry, NH
Specimen Size: 5 cm specimen of white micro melanterite crystals
Field Collected: Tom Mortimer - 2010
Catalog No.:
Notes: Green at bottom of specimen is organic. Melanterite is water soluable, so washing it off is not a option.
Locality: Pike Wilton Quarry (Quinn Brothers Quarry), Wilton, NH
Specimen Size: 4 cm specimen of yellow melanterine crust
Field Collected: Scott Rielly (2011)
Catalog No.: 1810
Notes: Identification - Yellow crust desolves in water. Found on ledge underside in zone of weathering pyrite.
The yellow crust is very fragile. An EDS analysis of a grain from this specimen is consistant with melanterite, FeSO4 · 7H2O .
Locality: Parker Mtn. Mine, Center Strafford, NH
Specimen Size: 9 cm specimen (estimate)
Field Collected: Unknown
Catalog No.: Woodman Instute specimen
Notes: Identification method unknown. This is the only known example of Parker Mtn. melanterite known to the author. The melanterite is the white crusty mineral.