Mineral Many sulfide minerals are economically important as metal ores; examples include sphalerite (ZnS), an ore of zinc, galena (PbS), an ore of lead, cinnabar (HgS), an ore of mercury, and molybdenite (MoS, an ore of molybdenum. Pyrite (FeS), is the most commonly occurring sulfide, and can be found in most geological environments. It is not, however, an ore of iron, but can be instead oxidized to produce sulfuric acid. Related to the sulfides are the rare sulfosalts, in which a metallic element is bonded to sulfur and a semimetal such as antimony, arsenic, or bismuth. Like the sulfides, sulfosalts are
Ore Raththam Ore Raththam Ore Raththam () is a 1987 Indian Tamil-language film directed by Swarnam and written by M. Karunanidhi. The film stars Karthik, BhagyalakshmiMadhuri, Kishmu, Manorama, Pandian, Seetha, M. K. Stalin and Radha Ravi. It is based on Karunanidhi's story of the same name, which was serialised in the magazine "Kungumam". "Ore Raththam" was a story which was serialised in the magazine "Kungumam". The author M. Karunanidhi adapted it for the screen with the same title. His son Stalin made his cinematic acting debut with this film. The soundtrack was composed by Devendran. "Ore Raththam" was released on 8 May