|Try the bead reamer exercise|
|Re: bone or ivory?? -- Luann Udell||Post Reply||Edit||Forum||Where am I?|
If you have a bead reamer, try reaming the hole in one. A strong scent of camphor will indicate Celluloid. A more remote possibility is celluose acetate, in which case the odor is of vinegar. If you get basically no odor, then bone or ivory are the top candidates.