Red Brown Heulandite Fan with Clear Apophyllite Crystals & Stilbite in a Trimmed Pocket of Volcanic Basalt Matrix Amethyst tower and the limited locations and

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

Size: 70 x 46 x 17 mm

because the color change can be reversed by removing the light source

You will receive one randomly chosen piece of shungite from the batch in the photos

Size: 75 x 60 x 54 mm

Red Brown Heulandite Fan with Clear Apophyllite Crystals & Stilbite in a Trimmed Pocket of Volcanic Basalt Matrix Amethyst tower and the limited locations andBeautiful 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