Amherst, Hillsborough Co., New Hampshire, USA
9.4 x 6.8 x 5.4 cm.
A nice specimen of well-formed white oligoclase feldspar crystals to ~3 cm in pegmatite/granite matrix from Amherst, New Hampshire. From the collection of prominent early 20th century New York area collector and famous micromounter Neal Yedlin. Classic!