| 16hlkm.is ((IGNEOUS MATRIX)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, 4 x 3 x 2 cm, Miniature | |
 | This is a specimen of the matrix igneous rock with black crystals. Specimen from Classic Pennsylvania locality which is now a water filled quarry hole. This was collected over 50 years ago from a classic Alpine Cleft fomation typical in the formation of the Alps in Europe but in Pennsylvania. No other collecting is likely to ever occur again. When another dealer purchased the collection, I was able to get most of the specimens from this Quarry that Rick had collec |
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