| 6hlkmis ((ADULARIA, BYSSOLITE)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 4 x 2.5 x 1.5 cm, Miniature | |
 | The crushed stone quarry is precambrian, Grenville, amphibolite gneiss and this specimen is from the classic Alpine cleft type hydrothermal recrystallization. This is a classic Pennsylvania locality with the quarry currently filled with water and no collecting possible without diving equipment or holding your breath a long time. Here is a speciman made up of multiples of twinned Adularia crystals covered with fuzzy needles of Byssolite. ex Rick Hafer collection. |
 |
<-- (BACK TO HOMEPAGE)
HOMEPAGE IS WHERE YOU CAN GET TO OTHER SECTIONS