Troilite

Bronze coloured nodules found only inside stones that fell.

Tier: Common
Base odds: 1 in 15
Sell value: 3.4M coins
Zone: Cosmos

With a mutation

Ancient: 170M coins
Glitched: 51.1M coins
Radiant: 17M coins
Shiny: 6.81M coins

Your luck, pets and passes make rare gems more likely than the base odds shown.