Calamine (mineral) Calamine (mineral) Calamine is a historic name for an ore of zinc. The name "calamine" was derived from "lapis calaminaris", a Latin corruption of Greek "cadmia (καδμία)", the old name for zinc ores in general. The name of the Belgian town of Kelmis, "La Calamine" in French, which was home to a zinc mine, comes from that. In the 18th and 19th centuries large ore mines could be found near the German village of Breinigerberg. During the early 19th century it was discovered that what had been thought to be one ore was actually two distinct minerals: Although chemically and
Khanozai making stainless steel. The Chromite Ore extracted in mountains of Khanozai and Muslim Bagh region consists 44.7 to 59.1 % of the Chromium. (Bilgrami, 1969). From Islamic Jurisprudence point of view, those extracted metallic minerals which are melted by fire in order to use them are subjected to Khumas (One-fifth or 20 %)- a type of Zakat, therefore, Chromite as a metallic mineral does fall in this category for which Khumas is necessary to be paid to the people mentioned in the Quran and hadith of Muhammad (Sahih Al Bukhari). The support to vulnerable groups of society such as widows,