White Clear Heulandite Fan Cluster with Clear Calcite on Basalt Matrix tourmaline crystal The surface patterns on this

The surface patterns on this piece are beautiful

18 to 20 grams each

·         Dark gray chalcedony with contrasting white structure

Beautifully formed zircon crystals

White Clear Heulandite Fan Cluster with Clear Calcite on Basalt Matrix tourmaline crystal The surface patterns on thisWhite and clear gemmy heulandite fan crystal cluster with lustrous clear calcite on basalt matrix. There is a beautiful rainbow. The calcite has a reddish orange fluorescence with 365nm long wave UV. Heulandite was 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: 89 x 62 x 40 mm. 168 grams