Red Brown Heulandite Fan with Clear Apophyllite Crystals & Stilbite in a Trimmed Pocket of Volcanic Basalt Matrix green pargasite Size: 70 x 60 x

Size: 70 x 60 x 30 mm

These are some of the best pieces of this material that we have seen available on the web

and the limited locations and difficulty to collect intact make these a rare treat

They exhibit a striking contrast of jet black color and breathtaking luster for the cassiterite and white to bluish color and pearly luster for the cleavelandite

Red Brown Heulandite Fan with Clear Apophyllite Crystals & Stilbite in a Trimmed Pocket of Volcanic Basalt Matrix green pargasite Size: 70 x 60 xBeautiful red brown heulandite fans capped with numerous, water clear double terminated fluorapophyllite crystals. The heulandite fans share the trimmed out pocket of volcanic basalt rock with large clear fluorapophyllite crystals & stilbite bowties. There is minor celadonite as well. This is a spectacular, flawless museum quality specimen. Named in 1822 after John Henry Heuland, a mineral collector and mineral dealer living in England. From the