Garnet

tourmaline

pyrite

kaolinite

olivine

hematite

magnetite

graphite

chalcopyrite

geothite

galena

gabbro

diabase

basalt

pumice

scoria

obsidian

granite porphyry

rhyolite

pegmatite

conglomerate

sandstone

breccia

shale

limestone coquina

coal

dolostone

chert

evaporite

kyanite

andalusite

staurolite

biolite

quartzite

gneiss

folded phylite

skarn