potassium permanganate; an inorganic compound occurring as dark purple crystals used as an oxidant, disinfectant, or bleach, commonly known as [[灰锰氧|灰錳氧|hui1 meng3 yang3]]

A black, water-insoluble crystalline compound found naturally as pyrolusite; used in dry-cell batteries, as an oxidizing agent in organic chemistry, and as a catalyst.

An alloy steel containing at least 0.8% manganese, known for its high toughness and wear resistance.

a small rock-like lump containing manganese and other minerals found on the ocean floor

a manganese carbonate mineral, often pink in color

A mineral consisting mainly of manganese dioxide; typically black or dark gray and soft, it is the most common ore of manganese.

potassium permanganate; common name for [[高锰酸钾|高錳酸鉀|gao1 meng3 suan1 jia3]]

A dark gray or black mineral consisting of hydrated manganese oxide that occurs in rocks as columnar crystals.

An inorganic compound appearing as dark purple crystals, used as an oxidant, disinfectant, and bleaching agent; also called [[高锰酸钾|高錳酸鉀|gao1 meng3 suan1 jia3]] or colloquially [[灰锰氧|灰錳氧|hui1 meng3 yang3]].

A mineral consisting of iron and manganese tungstate, typically dark grey, reddish-brown, or black, and serving as a primary ore of tungsten