Gibbsite Collector Cabochon 40mm x 20.5mm x 6mm - GIBBCABS2230
Gibbsite Lapidary Slab 1.8" x 0.9" x 0.32" - GIBBSLAB2251
Gibbsite Collector Cabochon 52.5mm x 31.5mm x 7mm - GIBBCABS2224
Gibbsite Collector Cabochon 47mm x 28mm x 6.5mm - GIBBCABS2222
Gibbsite Collector Cabochon 52mm x 40.5mm x 6.5mm - GIBBCABS2220
Gibbsite Collector Cabochon 41mm x 40mm x 6.5mm - GIBBCABS2216
