| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,734,024,396 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
bornite |
Also found in: Dictionary/thesaurus, Wikipedia | 0.01 sec. |
borniteCommon copper-ore mineral, copper and iron sulfide (Cu5FeS4). Typical occurrences are found in Mount Lyell, Tasmania; Chile; Peru; and Butte, Mont. Bornite may form isometric crystals but occurs most commonly as irregular masses. Under appropriate geologic conditions, it alters to chalcocite and other copper minerals. bornite [′bȯr‚nīt] (mineralogy) Cu5FeS4A primary mineral in many copper ore deposits; specific gravity 5.07; the metallic and brassy color of a fresh surface rapidly tarnishes upon exposure to air to an iridescent purple. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Acid base accounting studies of the bornite, chalcocite and magnetite mineralization demonstrate the mineralization is environmentally benign and very highly unlikely to produce acid mine drainage. Copper, with grades shown in Table 2, is mainly contained in chalcopyrite, bornite, chalcocite, and copper carbonates in the oxide zone. Copper and molybdenum mineralization on the Junin project occurs primarily as bornite, chalcopyrite and molybdenite associated with multiple staged stock work veining and breccias. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|