9ehcens ((SYLVITE)), $25 MINIMUM BID, Carlsbad Potash District, Eddy County, New Mexico, 9 x 7 x 6.5 cm, Cabinet,, Phila Academy Specimen | |
Sylvite is KCl. The blue areas are due to atomic lattice defects. This is a classic U S location for Sylvite. ex Philadelphia Academy of Science #21779, ex S Ruellan. |