This thomsonite is a 3.3 cm mound of beautiful delicate crystals and crystal sprays, hosted in a vug with small pearly-white heulandite crystals. With magnification one can discern the sharp, distinct thomsonite crystals. In excellent condition – no damage. Sits perfectluy for display. The basalt has some dark green celadonite present, creating nice contrast.
The thomsonite from Cape Blomidon is thomsonite-Ca.