| 8hlkmis ((BYSSOLITE, ACTINOLITE, CLINOZOISITE, ADULARIA, PREHNITE, CALCITE on AMPHIBOLITE GNEISS)), $10 MINIMUM BID, Keystone Trap Rock Quarry, Cornog, Chester County, Pennsylvania, 9 x 7 x 6 cm, Cabinet, | |
_small.jpg) | Old material from an old Pennsylvania collection from a now flooded quarry and Pennsylvania classic locality. Minerals are from an Alpine cleft type hydrothermal recrystalllization per mindat.org. Matrix trap rock is Precambian igneous Amphibolite Gneiss. Here is a specimen with a combination of species. The light brown crystals I believe is Clinozoisite. The vug has both off white jackstraw Prehnite and white Adularia covered with hairlike Byssolite. ex Rick Haefer collection. |
_small.jpg) |
<-- (BACK TO HOMEPAGE)
HOMEPAGE IS WHERE YOU CAN GET TO OTHER SECTIONS