Painite

Painite,CaZrAl₉O₁₅(BO₃). Painite is an incredibly rare borate mineral that typically takes the form of a red gemstone. Highly sought after by socialities throughout occupied space, it is renowned for being one of the most valuable types of gemstones in the galaxy.

— In-Game Description

Painite is a rare Mineral Commodity that can only be obtained by mining metallic or metal-rich Planetary Ring Systems, or on occasion by salvaging cargo canisters from certain signal sources. It is extremely valuable and can usually be sold at a high price.

Importantly, Painite can be surface mined with mining lasers in Metallic rings, but can only be found via Deep Core mining in Metal Rich rings.