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catalogue — accession index
Showing entries 1–9 of 9 accessioned records matching the current filter. Filters and full-text search operate against the public index; restricted records are omitted from results.
| accession | designation | formula | system | mohs | locality | submitted | status |
|---|---|---|---|---|---|---|---|
| AM-2023-10011-A | Pyrite | FeS₂ | Cubic | 6 – 6.5 | Ouro Preto, Minas Gerais, Brazil | 2023-02-26 | archived |
| AM-2021-10003-A | Fluorite | CaF₂ | Cubic | 4 | Ouro Preto, Minas Gerais, Brazil | 2021-11-06 | active |
| AM-2020-10001-A | Chalcedony | SiO₂ | Trigonal | 6.5 – 7 | Ouro Preto, Minas Gerais, Brazil | 2020-09-12 | archived |
| AM-2018-10019-A | Hematite | Fe₂O₃ | Trigonal | 5 – 6 | Ouro Preto, Minas Gerais, Brazil | 2018-08-13 | archived |
| AM-2015-10014-A | Galena | PbS | Cubic | 2.5 – 2.75 | Ouro Preto, Minas Gerais, Brazil | 2015-09-18 | archived |
| AM-2015-00112-A | Topaz | Al₂SiO₄(F,OH)₂ | Orthorhombic | 8 | Ouro Preto, Minas Gerais, Brazil | 2015-01-09 | archived |
| AM-2014-10015-A | Galena | PbS | Cubic | 2.5 – 2.75 | Ouro Preto, Minas Gerais, Brazil | 2014-09-19 | archived |
| AM-2012-10007-A | Stibnite | Sb₂S₃ | Orthorhombic | 2 | Ouro Preto, Minas Gerais, Brazil | 2012-09-11 | archived |
| AM-2009-10003-A | Quartz, var. citrine | SiO₂ | Trigonal | 7 | Ouro Preto, Minas Gerais, Brazil | 2009-08-26 | unverified |
accession identifiers may be revised. records flagged unverified have not completed the secondary analytical pass and should not be cited in publications without explicit confirmation from the registry.