IFP: 30ish Most Common Rocks: Easily Confused Set #2
IFP: 30ish Most Common Rocks: Easily Confused Set #2
Completion requirements
Pegmatite, Granite, Diorite, Gabbro, Dunite, Conglomerate, Breccia, Andesite, Rhyolite, Amphibolite, Quartzite, Marble, Gneiss, Rhyolite Porphyry, Rhyolite
Grading method: Highest grade