Aquamarine beryl crystal, 9.7 cm, in smoky quartz and feldspar matrix, from the Rice quarry, Groton, Grafton County, New Hampshire. Ex Robert Whitmore collection; Joe Budd photo.
Conway, USA - A premier New Hampshire locality for miarolitic granite, yielding smoky quartz, microcline, fluorite, topaz, and arfvedsonite crystals prized by…
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