This Stellerite cluster is a rare Zeolite similar to Stilbite but is more translucent and has a pearlescent lustre with green Heulandite beneath.
Stellerite forms in radial groups or fan-shaped aggregates and named after physician and zoologist, Georg Steller who first discovered this mineral in Russia. Approximate Measurements - 7cm x 4.6cm x 4.4cm
