Indonesian Fossil Coral Slab! Lapidary Stone Slab! Howardite Opal with the bone cell structure

with the bone cell structure often present and well preserved

This batch of Eagle Rock Plume Agate has some nice plumes showing

This is a great deal

Without things being optimal

This makes the lot great for both lapidarists and flintknappers looking to experiment or practice

Indonesian Fossil Coral Slab! Lapidary Stone Slab! Howardite Opal with the bone cell structureIndonesian Fossil Coral is a form of Silicated Coral of Lapidary grade! Dug in Indonesia, this gorgeous material often has a white skin, and in the rough, still retains the coral shape! It is well known for its starburst flowers, and when cut right, can display them with amazing clarity! It can make some gorgeous cabochons, and take a gloss polish! It can also have a wide variety of colors, with butterscotch or white being the most common! This is a