Share this entry
pigeonite Line breaks: pigeon|ite
Pronunciation: /ˈpɪdʒ(ə)nʌɪt/

Definition of pigeonite in English:


[mass noun]
A calcium-poor pyroxene mineral occurring chiefly in basalt.
Example sentences
  • Orthopyroxene forms in primitive (high-MgO) basalts but as differentiation proceeds, it is replaced by pigeonite once the enstatite component falls below 60 to 70 atomic percent.
  • Various factors, including magma composition, control whether orthopyroxene or pigeonite occurs as the low-Ca pyroxene, but high temperatures yield orthopyroxene and low-pressure crystallization favours pigeonite.
  • Pigeonite is the orthorhombic pyroxene equivalent in the volcanic rocks.


Early 20th century: named after Pigeon Point, Minnesota, + -ite1.

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources