Industrially suitable niobium ore, from which it is cost-effective to obtain niobium concentrates, contains at least 0.15% to 0.20% wt. Nb2O5. In the richest niobium ores known in the world, the Nb2O5content may reach up to 1% to 4%. The leading mineral resources of niobium at the moment are in Brazil (84.2% of total), Canada (9.8%), and Zaire (4.2%). The primary Brazilian ore is the pyrochlore type, which is easier to enrich than the columbite/tantalite ores (Gupta et al., 1994).
Industrially suitable niobium ore, from which it is...
-
- There are more pages in this discussion • 168 more messages in this thread...
You’re viewing a single post only. To view the entire thread just sign in or Join Now (FREE)
Add DRE (ASX) to my watchlist
 (20min delay)
|
|||||
|
Last
2.1¢ |
Change
0.001(5.00%) |
Mkt cap ! $73.77M | |||
| Open | High | Low | Value | Volume |
| 2.0¢ | 2.1¢ | 2.0¢ | $183.7K | 8.984M |
Buyers (Bids)
| No. | Vol. | Price($) |
|---|---|---|
| 11 | 3100542 | 2.0¢ |
Sellers (Offers)
| Price($) | Vol. | No. |
|---|---|---|
| 2.2¢ | 1226331 | 7 |
View Market Depth
| Last trade - 16.10pm 27/06/2024 (20 minute delay) ? |
| DRE (ASX) Chart |