Igneous Rocks

Tinguaite is a type of volcanic rock, primarily composed of nepheline and alkali feldspar, with lesser amounts of other minerals such as amphibole, biotite,...

Kakortokite is a rare igneous rock primarily composed of perthitic microcline feldspar with minor amounts of other minerals such as nepheline, sodalite, and/or eudialyte....

Indigo Gabbro, also known as Mystic Merlinite, is a crystal that belongs to the igneous rock family. It is a unique and visually striking...

Phonolite is a type of volcanic rock that belongs to the family of igneous rocks. It is characterized by its unique mineral composition and...

Lapilli, which means "little stones" in Italian, refers to small rock fragments ejected during volcanic eruptions. These fragments typically range in size from 2...

Pillow lava is a type of basaltic lava that forms underwater, typically in the ocean. It gets its name from the characteristic pillow-like shapes...

Tonalite is a type of intrusive igneous rock that belongs to the granodiorite suite of rocks. It is characterized by its composition, which is...

Norite is a type of igneous rock that is primarily composed of the mineral orthopyroxene, along with plagioclase feldspar. It is a mafic rock,...

Llanite is a rare type of igneous rock that is primarily composed of blue quartz, potassium feldspar (orthoclase), and biotite mica. It is known...

Larvikite is a unique and visually striking igneous rock that belongs to the family of feldspar-rich plutonic rocks known as syenites. It is primarily...

Diabase, also known as dolerite, is a type of igneous rock that holds significance in the field of geology due to its unique characteristics...

Monzonite is a type of igneous rock that falls within the category of intrusive or plutonic rocks. It is primarily composed of minerals such...