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. |
Brewsterite | Harmotome | Heulandite | None |
Brewsterite-Ba (*) | Brewsterite-Sr (*) | Harmotome (*) | Heulandite-Ba (*) |
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 |
---|---|---|---|---|---|---|---|
Brewsterite-Ba (*) | Brewsterite | Ba(Al2Si6)O16·5H2O | 0 | 9 | |||
Brewsterite-Sr (*) | Brewsterite | Sr(Al2Si6)O16·5H2O | 0 | 8 | |||
Harmotome (*) | Harmotome | Ba2(Si12Al4)O32·12H2O | 0 | 290 | |||
Heulandite-Ba (*) | Heulandite | (Ba,Ca,K)5(Si27Al9)O72·22H2O | 0 | 8 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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