LEPIDOMELAN (az yun. lepis — pulakcha va melanos — siyoh), mineral az guruhi abraq, navi az ohan boi biotit. Formai khimiyaviash K(Fe,Mg)3(Si,Al)4O10(OH)2. Dar sistemai monoklini kristall mebandad. Az rui khosiyathoi fiziki ba biotit shabohat dorad. Rangash siyohtob. Sakhtiash qarib 3; zichiash 3000—3200 kg/m³.
Asosan dar jinshoi kuhii ohanash bisyoru magnitash kamtar va bazan dar granithoi ishqori, sienithoi nefelindor duchor meshavad. Dar shakli kristallhoi kalon dar Kanada, Alyaska, Russiya (nimjazirai Kola, Urali Janubi va g.) vomekhurad. Bisyoriho zeri Lepidomelan hamon Bititro mefahmand.