obsidian / Rock Igneous rock

obsidian (lens) / Rock Igneous rock

tuff, black / Rock Igneous rock Pyroclastic rock

tonalite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

aplite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

dacite, Bt / Rock Igneous rock

porphyrite, Bt / Rock Igneous rock

pumice / Rock Igneous rock Pyroclastic rock

rhyolite, Bt / Rock Igneous rock

rhyolite, Bt / Rock Igneous rock

rhyolite, Bt / Rock Igneous rock

rhyolite, Bt / Rock Igneous rock

rhyolite, Bt / Rock Igneous rock

rhyolite, Bt / Rock Igneous rock

andesite, Bt / Rock Igneous rock

Qtz porphyry, Bt / Rock Igneous rock

Qtz porphyry, Bt / Rock Igneous rock

dacite / Rock Igneous rock

picrite / Rock Igneous rock

dolerite / Rock Igneous rock

dacite / Rock Igneous rock