Azurite

The Azurite Gem is a Gem from the Tropicraft mod. This gem is used for crafting recipes, and cannot be made into tools itself. It is used to make Scuba gear and craft Zirconium. It can be crafted into a standard storage block, like a Block of Iron.

Location
Azurite Gems can be found in Home Tree Chests and around the same Y level as diamonds in version 1.18 or further.