| Location: | Piaui, Brazil, South America |
| Lat / long: | -4.34817, -41.23229 |
| dep_id: | 10060823 |
| mrds_id: | TC30262 |
| Commodity type: | nonmetallic |
| Major mineral: | Gemstone |
| Operation type: | Unknown |
| Production size: | Production occurred |
| Development status: | Producer |
| ore: | Opal |
| Reporter: | Page, Norman J. |
| hrock_unit: | Cabecas Formation;Sardinha Formation |
| hrock_type: | Sandstone |
| References: |
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