Let’s break it down.
Still playing on 1.12.2 for those classic modpacks? Finding ores can be a grind, but the right texture pack makes it effortless. X-Ray Ultimate 1122 xray texture pack best
Standard Xray packs only show vanilla ores (Iron, Gold, Diamonds). If you are playing a tech mod like FTB Revelation or SevTech: Ages , you need to find Copper, Tin, or Lead. Let’s break it down
Most Xray packs look dark underground without OptiFine. OptiFine allows you to toggle the Xray on and off easily and adds Night Vision. you need to find Copper