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. |
Analcime | Clay | Feldspar | Gismondine | Natrolite | None | Not in a structural group | Olivine | Pyroxene | Smectite-vermiculite |
Spinel | Tridymite |
Analcime (*) | Anorthite (*) | Augite (*) | Diopside (*) | Fayalite (*) |
Gismondine (*) | Gonnardite (*) | Hercynite (*) | Laumontite (*) | Magnetite (*) |
Natrolite (*) | Nepheline (*) | Nontronite (*) | Spinel (*) |
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 |
---|---|---|---|---|---|---|---|
Analcime (*) | Analcime | Na(AlSi2O6)·H2O | 0 | 1627 | |||
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 0 | 1036 | |||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
Fayalite (*) | Olivine | Fe2+2(SiO4) | 0 | 371 | |||
Gismondine (*) | Gismondine | Ca2(Si4Al4)O16·8H2O | 0 | 128 | |||
Gonnardite (*) | Natrolite | (Na,Ca)2(Si,Al)5O10·3H2O | 0 | 167 | |||
Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 0 | 1271 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | 0 | 1236 | |||
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 0 | 884 | |||
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 0 | 471 | |||
Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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