Microcline with Quartz, Muscovite
specimen number:
9851315
location:
Ireland
description:
Blocky crystals of microcline measuring to 0.9 cm in size across the top of a granite matrix with gemmy crystals of smoky quartz and minor muscovite. Slight chipping present, still in good condition. A neat historical specimen that comes with several antique labels from the Philadelphia Academy of sciences. The microcline crystals fluoresce nightly under longwave ultraviolet light.
Size: 7.0 x 5.5 x 4.0 cm (small-cabinet)
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