403 Forbidden

Lithium ore Like all other alkali metals, lithium is highly reactive and flammable. So lithium is typically stored in mineral oil. Lithium shows a metallic luster when it is in open air, once contacting with moist the surface will be corroded quickly to a dull silvery gray, then black tarnish. Due to its high reactivity, lithium ...

Manganese ore The most important manganese ore is pyrolusite. Other manganese ores with high economic value usually closely related with the iron ores.  About 80% of the known world manganese resources are found in South Africa; other important manganese deposits are in Ukraine, Australia, India, China, Gabon and Brazil. Pure manganese used for the production ...

Gold ore Gold was one of the first metals to attract human’s attention due to its natural occurrence as a yellow, lustrous metal with tarnish durability. Gold is a precious metal with unique properties of malleable and ductile of all the metals and one of the softest and heaviest. It is an excellent conductor of ...

Antimony ore Antimony reserves account for 0.0001% of the earth’s surface. Antimony exists in different forms of native antimony, stibnite, senarmontite, valentinite, cervantite etc. Antimony compounds have been known since ancient times and were used for cosmetics. For some time China has been the largest producer of antimony and its compounds. Antimony compounds are important additives for ...

Cadmium ore Cadmium is similar with zinc in many aspects but forms complex compounds. Different from other metals, cadmium has high corrosion resistance so it is used as a protective layer when deposited on other metals. There is no significant deposits of cadmium-containing ores are found till now. Cadmium is produced mainly as a byproduct from ...