Description
This cluster features a single, red-brown heulandite fan with some clear stilbite blades on a layer of chalcedony that is on a thin layer of basalt matrix.
Named in 1822 after John Henry Heuland, a mineral collector and mineral dealer living in England.
From the famous zeolite locality at Jalgaon District, Nashik Division, Maharashtra, India.
Size: 42 x 25 x 25 mm, 16 grams.