[lemma=phlogopite] ([lemma=","] [□] | □) □
[lemma=phlogopite] ([lemma=","] [!□] | □) □
[lemma=phlogopite] ([lemma=","] [□ & □] | □) □
Phlogopite is usually formed metamorphically , but may also develop from plutonic forces . Phlogopite is closely related to , and is often found with , biotite .