Jinmeiyō kanji, used in names
Stroke count: 23
Meaning: rock, crag, boulder
Kunyomi: いわ いわお けわ.しい
Onyomi: ガン
Composition: 山 嚴
Radical: 山
Meaning: mountain
岩 (いわ) rock, boulder, crag, cliff, anchor
巌 (いわお) huge rock, massive boulder