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. |
Beryl | Clay | Feldspar | Gadolinite | Mica | None | Quartz | Roscherite | Topaz | Tourmaline |
Albite (*) | Beryl (*) | Elbaite (*) | Greifensteinite (*) | Hydroxylherderite (*) |
Microcline (*) | Muscovite (*) | Quartz (*) | Schorl (*) | Topaz (*) |
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 |
---|---|---|---|---|---|---|---|
Albite (*) | Feldspar | Na(AlSi3O8) | 0 | 8803 | |||
Beryl (*) | Beryl | Be3Al2Si6O18 | 0 | 4286 | |||
Elbaite (*) | Tourmaline | Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 520 | |||
Greifensteinite (*) | Roscherite | Ca2Be4Fe2+5(PO4)6(OH)4·6H2O | 0 | 27 | |||
Hydroxylherderite (*) | Gadolinite | CaBe(PO4)(OH) | 0 | 119 | |||
Microcline (*) | Feldspar | K(AlSi3O8) | 0 | 4924 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 2705 | |||
Topaz (*) | Topaz | Al2SiO4F2 | 0 | 1476 |
Sample | Source Locality | Reference URL |
---|---|---|
R100221 | Xanda Mine (Xandra Mine), Virgem Da Lapa, Minas Gerais, Brazil | https://rruff.info/R100221 |
All locality data graciously provided by mindat.org
All age data...
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