★ 34 · Updated 2026-06-30
Identify minerals and ores using hardness, streak, luster, cleavage, crystal habit, and simple chemical tests
Browse skills that share this tag.
★ 34 · Updated 2026-06-30
Identify minerals and ores using hardness, streak, luster, cleavage, crystal habit, and simple chemical tests
★ 428 · Updated 2026-05-11
Explore underground cave systems to discover bioluminescent crystals, water sources, and ancient traces