A yellow-red, crystalline material that occurs in nature in the minerals rhodonite, manganjustite and tephroite. Manganese silicate is used as a red colorant in glass and ceramic glazes.
Synonyms and Related Terms
rhodonite, manganjustite; tephroite
Insoluble in water
Hazards and Safety
Toxic. Inhalation or ingestion of manganese can cause a nervous system disorder.
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5781