The “gem” of an ammonite dates back 71 million years, and comes with a curious coating of ammolite, giving it a dazzling rainbow iridescence. “A 'Gem' Ammonite in Matrix from the Bearpaw ...

Geode hair is a subtler take on rainbow locks which makes your hair look like a shiny, iridescent gem. While many more experimental colourists have tried their hand at geode, it’s gaining ...