Corrected entry: While examining the weapon in Raph's shell, Donny says it's made of obsidian. Obsidian is a glass-like rock and definitely doesn't look like the gray stone the weapon was made of.
Join the mailing list
Separate from membership, this is to get updates about mistakes in recent releases. Addresses are not passed on to any third party, and are used solely for direct communication from this site. You can unsubscribe at any time.
Check out the mistake & trivia books, on Kindle and in paperback.
Correction: Yes it does. A simple Google Image Search yields several pictures of obsidian samples that look exactly like that shuriken in terms of color and texture.
Phixius ★