14hhdmo ((HEULANDITE, MORDENITE)), $10 MINIMUM BID, Rock Creek, Stevenson, Skamania County, Washington, 7.5 x 6 x 3 cm | |
Cabinet, Hollow vesicles lined with reddish brown micro Heulandite crystals in volcanic matrix. Several of the largest also have wispy white Mordentite along with the Heulandite crystals within the vesicles. |