The tantalum grades in Brazil vary according to the region and their occurrences. Paraíba and Rio Grande do Norte have higher grades, ranging from 20 to 45% Ta2O5, while in Amapá and Pará, the average is 10 to 18% Ta2O5, usually associated with variations of tin (SnO2) and higher grades of Nb2O5. When the Ta2O5 content is higher than Nb2O5, it is called tantalite, and when the opposite occurs, with Nb2O5 being higher, it is columbite.
The tantalum grades in Brazil vary according to the region and...
-
- There are more pages in this discussion • 67 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 SUM (ASX) to my watchlist
 (20min delay)
|
|||||
|
Last
26.0¢ |
Change
-0.015(5.45%) |
Mkt cap ! $21.92M | |||
| Open | High | Low | Value | Volume |
| 27.5¢ | 27.5¢ | 26.0¢ | $149.7K | 565.1K |
Buyers (Bids)
| No. | Vol. | Price($) |
|---|---|---|
| 3 | 36869 | 26.0¢ |
Sellers (Offers)
| Price($) | Vol. | No. |
|---|---|---|
| 26.5¢ | 10000 | 1 |
View Market Depth
| Last trade - 16.10pm 27/09/2024 (20 minute delay) ? |
| SUM (ASX) Chart |