| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
| This mineral's age has not yet been recorded. |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 1 | 110981 | 2353 | ||
| Andalusite (*) | Andalusite | Al2SiO5 | 2 | 110979,110981 | 1310 | ||
| Andradite (*) | Garnet | Ca3Fe3+2(SiO4)3 | 1 | 110981 | 1534 | ||
| Baddeleyite (*) | Baddeleyite | ZrO2 | 2 | 110964,110978 | 238 | ||
| Beryl (*) | Beryl | Be3Al2Si6O18 | 4 | 110964,110977,110979,110981 | 4286 | ||
| Calcite (*) | Calcite | Ca(CO3) | 4 | 110962,110969,110971,110990 | 27770 | ||
| Cassiterite (*) | Rutile | SnO2 | 1 | 110981 | 5171 | ||
| Chrysoberyl (*) | Olivine | BeAl2O4 | 6 | 110964,110973,110974,110977,110979,110981 | 321 | ||
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 1 | 110981 | 1008 | ||
| Corundum (*) | Corundum | Al2O3 | 8 | 110964,110965,110975,110976,110977,110979,110980,110981 | 1797 | ||
| Danburite (*) | Danburite | CaB2Si2O8 | 1 | 110977 | 148 | ||
| Diopside (*) | Pyroxene | CaMgSi2O6 | 1 | 110977 | 4135 | ||
| Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 1 | 110981 | 648 | ||
| Ekanite (*) | Amorphous | Ca2ThSi8O20 | 2 | 110977,110980 | 16 | ||
| Elbaite (*) | Tourmaline | Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | 1 | 110981 | 520 | ||
| Enstatite (*) | Pyroxene | Mg2Si2O6 | 1 | 110977 | 944 | ||
| Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 1 | 110979 | 8173 | ||
| Euclase (*) | None | BeAlSiO4(OH) | 1 | 110979 | 120 | ||
| Fersmite (*) | Columbite | CaNb2O6 | 1 | 110979 | 83 | ||
| Fluor-buergerite (*) | Tourmaline | NaFe3+3Al6(Si6O18)(BO3)3O3F | 1 | 110981 | 3 | ||
| Fluorite (*) | Fluorite | CaF2 | 1 | 110977 | 9617 | ||
| Forsterite (*) | Olivine | Mg2(SiO4) | 4 | 110968,110969,110971,110981 | 1188 | ||
| Gahnite (*) | Spinel | ZnAl2O4 | 1 | 110981 | 445 | ||
| Geikielite (*) | Corundum | MgTiO3 | 3 | 110964,110977,110978 | 70 | ||
| Gold (*) | Copper | Au | 2 | 110964,110981 | 30554 | ||
| Graphite (*) | None | C | 3 | 110962,110964,110992 | 2812 | ||
| Grossular (*) | Garnet | Ca3Al2(SiO4)3 | 1 | 110981 | 1544 | ||
| Hematite (*) | Corundum | Fe2O3 | 1 | 110981 | 14640 | ||
| Hercynite (*) | Spinel | Fe2+Al2O4 | 3 | 110971,110979,110990 | 407 | ||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 4 | 110964,110977,110978,110981 | 5433 | ||
| Kornerupine (*) | Kornerupine | (Mg,Fe2+,Al, )10(Si,Al,B)5O21(OH,F)2 | 1 | 110977 | 68 | ||
| Lucchesiite (*) | Tourmaline | CaFe2+3Al6(Si6O18)(BO3)3(OH)3O | 1 | 110979 | 2 | ||
| Magnesiotaaffeite-2N'2S (*) | None | Mg3BeAl8O16 | 3 | 110974,110981,110991 | 18 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 1 | 110971 | 14899 | ||
| Orthoclase (*) | Feldspar | K(AlSi3O8) | 1 | 110981 | 2349 | ||
| Perovskite (*) | Perovskite | CaTiO3 | 1 | 110977 | 495 | ||
| Phenakite (*) | Phenakite | Be2(SiO4) | 1 | 110981 | 326 | ||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 2 | 110971,110990 | 2273 | ||
| Pyrite (*) | Pyrite | FeS2 | 3 | 110962,110964,110971 | 39462 | ||
| Pyrope (*) | Garnet | Mg3Al2(SiO4)3 | 1 | 110981 | 341 | ||
| Quartz (*) | Quartz | SiO2 | 4 | 110971,110977,110979,110981 | 61156 | ||
| Rutile (*) | Rutile | TiO2 | 1 | 110981 | 5614 | ||
| Sanidine (*) | Feldspar | K(AlSi3O8) | 1 | 110981 | 598 | ||
| Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 1 | 110971 | 301 | ||
| Sapphirine (*) | Sapphirine | Mg4(Mg3Al9)O4[Si3Al9O36] | 1 | 110971 | 129 | ||
| Scheelite (*) | Scheelite | Ca(WO4) | 2 | 110979,110981 | 4894 | ||
| Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 2 | 110971,110981 | 2705 | ||
| Serendibite (*) | Sapphirine | Ca4[Mg6Al6]O4[Si6B3Al3O36] | 1 | 110971 | 19 | ||
| Sillimanite (*) | Not in a structural group | Al2SiO5 | 4 | 110964,110972,110979,110981 | 1516 | ||
| Sinhalite (*) | Olivine | MgAl(BO4) | 3 | 110964,110975,110979 | 20 | ||
| Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 2 | 110977,110981 | 1214 | ||
| Spinel (*) | Spinel | MgAl2O4 | 5 | 110964,110971,110977,110979,110981 | 1934 | ||
| Spodumene (*) | Pyroxene | LiAlSi2O6 | 1 | 110981 | 688 | ||
| Srilankite (*) | Columbite | TiO2 | 1 | 110977 | 6 | ||
| Staurolite (*) | Staurolite | Fe2+2Al9Si4O23(OH) | 1 | 110981 | 978 | ||
| Stibiotantalite (*) | None | Sb3+TaO4 | 1 | 110981 | 53 | ||
| Tantalite-(Mg) (*) | Columbite | MgTa2O6 | 1 | 110981 | 2 | ||
| Thorianite (*) | Fluorite | ThO2 | 1 | 110964 | 236 | ||
| Thorutite (*) | Brannerite | (Th,U,Ca)Ti2(O,OH)6 | 1 | 110967 | 10 | ||
| Titanite (*) | Titanite | CaTi(SiO4)O | 2 | 110971,110981 | 4899 | ||
| Topaz (*) | Topaz | Al2SiO4F2 | 3 | 110964,110979,110981 | 1476 | ||
| Uraninite (*) | Fluorite | UO2 | 1 | 110981 | 2718 | ||
| Xenotime-(Y) (*) | Zircon | Y(PO4) | 1 | 110981 | 939 | ||
| Zircon (*) | Zircon | Zr(SiO4) | 6 | 110964,110969,110971,110977,110979,110981 | 5251 | ||
| Zirconolite (*) | Zirconolite | (Ca,Y)Zr(Ti,Mg,Al)2O7 | 2 | 110967,110977 | 140 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R100130 | Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R100130 |
| R100158 | Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R100158 |
| R090035 | Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R090035 |
| R090019 | Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R090019 |
| R100132 | Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R100132 |
| R080110 | Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R080110 |
| X090001 | Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/X090001 |
| R100163 | Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka | https://rruff.info/R100163 |
All locality data graciously provided by mindat.org
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