Three rough slabs ready for work! Mariposite slab, Mahogany Obsidian slab, and Banded Onyx slab. Mahogany obsidian is known for its reddish-brown and black colors, which creates a wood-like appearance. Banded onyx is known for its opaque and translucent layers, usually white with streaks of black, gray, brown or cream.
100% of the proceeds from your purchase will be used to fund the Bidwell Gem & Mineral Museum. All shop items were donated by members of the Glendora Gems Lapidary Club.