[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 .