phanerite

{{Short description|Igneous rock composed of crystals visible to the naked eye}}

File:Granite Yosemite P1160483.jpg, a phanerite rock, from Yosemite National Park in California, U.S.]]

File:Diorite MA.JPG from Massachusetts]]

A phanerite{{cite book |last1=Monroe|first1=James Stewart |last2=Wicander|first2=Reed |last3=Hazlett|first3=Richard W. |title=Physical Geology: Exploring the Earth |edition=6 |series=Earth Sciences |editor-first=Keith|editor-last=Dodson |year=2007 |publisher=Thompson Brooks/Cole |location=USA |isbn=978-0495011484 |page=115 |chapter=4}} is an igneous rock whose microstructure is made up of crystals large enough to be distinguished with the unaided human eye. In contrast, the crystals in an aphanitic rock are too fine-grained to be identifiable. Phaneritic texture forms when magma deep underground in the plutonic environment cools slowly, giving the crystals time to grow.

Phanerites are often described as coarse-grained or macroscopically crystalline.