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