Specimen data for Bertrandite

Tom Mortimer catalog number: u069

Identification method: Visual. Species is listed for this locality.

Notes: Reference: "Rocks and Minerals", Vol 65, No. 4, pgs 338-347, "Pegmatite and Miarolitic Minerals of North Sugarloaf Mountain, Bethlehem, New Hampshire", by Scott Whittemore and Bob Janules.