AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Hampshire > Microcline (twinned following the Baveno Law)

Microcline (twinned following the Baveno Law) from Moat Mountain, west of North Conway, Carroll County, New Hampshire

DESCRIPTION:	No. 72692
Mineral:	Microcline (twinned following the Baveno Law)
Locality:	Moat Mountain, west of North Conway, Carroll County, New Hampshire
Description:	Large prismatic white microcline crystal with tan-colored etched outer surfaces. The microcline crystal is twinned following the Baveno Law of feldspar twinning with the twin plane running diagonally through the center. One rear corner is incomplete. Ex. Thomas A. Penney (1934-2019) collection, collected in the 1960s-70s
Overall Size:	8.5x5x4 cm
Crystals:	3-75 mm
Archived:	For reference only

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