更多chalybite例句

1. Chalybite, which is carbonate of iron, is an ore of great importance.
2. All carbonates are soluble with effervescence in dilute acids; some, such as chalybite and magnesite, require the aid of heat.
3. Chalybite is usually yellowish-grey or brown in colour; it is translucent and has a vitreous lustre.
4. When limonite is dehydrated and deoxidized in the presence of carbonic acid, it may give rise to chalybite.
5. They are often impure, and their iron may be present as haematite or as chalybite.