Ski Pike Quarry, West Paris, Oxford County, Maine
Thumbnail - 0.9 x 0.9 x 0.7 cm (0.4 x 0.4 x 0.3 inches)
Weight - 12 grams including thumbnail box (0.03 pounds)
ex Roy Foerster collection
Specimen status: Sold
An opaque, pearly perhamite cluster, mined by Frank Perham (for whom the species is named) and Barry Heath. Perhamite is a hydrated basic calcium aluminum phosphate with a strange chemical formula, Ca3Al7.7Si3P4O23.5(OH)14.1 · 8H2O. No damage. Excellent representative thumbnail specimen.