Mimosa rocks and rock pool in natural bay composed of volcanic Rhyolite rock, around 360 million years old, Mimosa Rocks National Park, New South Wales, Australia, Pacific

November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.

November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.

Hnauspollur, Crater, Lake, Mountains, Rhylolite, Volcano, Iceland, Europe

Brennsteinsalda, Volcano, Hiking Landmannalaugar, Mountains, Highlands, Iceland, Europe

Brennisteinsalda, Landmannalaugar, Mountains, Highlands, View, Iceland, Europe

Mineral field, iron deposits, Brennisteinsalda volcano with the Laugahraun lava field, rhyolite mountains, Landmannalaugar, Fjallabak Nature Reserve, Highlands, Iceland, Europe

Laugahraun Lava Field, Rhyolite Mountains, Landmannalaugar, Highlands, Iceland, Europe

Coloured Rhyolite Mountains, Landmannalaugar, Highlands, Iceland, Europe

Colored rhyolite mountains, Graenihryggur, Landmannalaugar, Fjallabak, Icelandic highlands, Iceland, Europe

Rhyolite Mountains, Brennisteinsalda, Landmannalaugar, Highlands, Iceland, Europe

Coloured rhyolite mountains, Landmannalaugar, Fjallabak nature reserve, Sudurland, South Iceland, Iceland, Europe

Colorful rhyolite mountains in Kjos, Skaftafell, Vatnajoekull National Park, South Iceland, Europe