Mineral In Igneous Rock

Granite

Intrusive Igneous Rock

Granite Pebble

Intrusive Igneous Rock

Granite

Intrusive igneous rock

Granite

Felsic intrusive igneous rock

Granite Pebble

Intrusive Igneous Rock

K-Feldspar Granite Fragment

Granite (Alkali Feldspar-rich)

Basalt with Quartz Vein

Extrusive Igneous Rock / Volcanic Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Basalt with Granite Inclusions (Xenoliths)

Mafic igneous rock (Basalt) with Sialic minerals

Magnetite

Iron(II,III) oxide (Fe3O4)

Granite

Intrusive Igneous Rock

Granite

Plutonic Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)

Granite

Intrusive Igneous Rock

Porphyritic Basalt or Porphyritic Andesite

Porphyritic Extrusive Igneous Rock

Tumbled granite

Granite, a coarse-grained felsic intrusive igneous rock

Geode

Quartz / Chalcedony nodule

Granite and Igneous Rock Collection

Intrusive igneous rock / Granitoid

Granite

Intrusive igneous rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Porphyry (likely Porphyritic Andesite or Basalt)

Porphyritic Igneous Rock

Magnetite

Magnetite (Fe3O4)

Basalt

Extrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite Pebble

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Porphyritic Basalt or Porphyry

Porphyritic Igneous Rock

Granite

Intrusive Igneous Rock

Dark, coarse-grained rock (possibly diorite or amphibolite)

Undetermined; likely a mafic to intermediate rock containing plagioclase and dark amphibole or pyroxene

Granite

Intrusive igneous rock

Granite

Intrusive Igneous Rock

Granite

Felsic intrusive igneous rock

Granite

Felsic intrusive igneous rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Granite

Intrusive Igneous Rock

Pegmatite or Graphic Granite

Intrusive Igneous Rock

Porphyry

Porphyritic Igneous Rock