Aeschynite-(Y) from
Chungju deposit, Mt. Eorae, Joongwon-gun, Chungju City, North Chungcheong Province, South Korea
| Locality type: | Deposit | |
| Classification | ||
|---|---|---|
| Species: | Aeschynite-(Y) | |
| Formula: | (Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6 | |
| Comments: | one of main ore minerals of Q-KFS metasomatites. аn.1 (Y0.63Dy0.06Yb0.03Gd0.03Er0.02Ho0.01Nd0.01Th0.04U0.03Fe0.03)0.89(Ti1.16Nb0.84)2O5.59(OH)0.41 the most yttrian variety, аn.2 (Y0.62Dy0.06Gd0.06Nd0.04Sm0.04Tb0.02Ce0.02Th0.06U0.01)0.84(Ti1.42Nb0.58)2O5.17(OH)0.83 the most titanian variety, аn.3 (Y0.35Nd0.08Dy0.05Gd0.04Sm0.04Ce0.03Pr0.02Er0.02Ho0.01Yb0.01Ca0.30Th0.02)0.96(Nb1.25Ti0.66Ta0.09)2.00O6 the most niobian, tantalian and calcian variety, ан.3 (Y0.16Nd0.16Ce0.14Sm0.04Dy0.03Ca0.20Th0.06U0.01)0.80(Nb0.99Ti1.00)1.99O5.24(OH)0.76 the most enriched with LREE transitive to aeschynite-(Nd) | |
| Habit: | xenomorphic grains about 200 mkm and theyr segregations | |
| Colour: | redish-brown | |
| Luminescent properties: | none | |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) | |
| Abundance at site: | Common | |
| Confirmation | ||
| Validity: | Confirmed | |
| Confirmation Methods: | SEM-EDS | |
| Data | ||
| Mineral Data: | Click here to view Aeschynite-(Y) data | |
| Locality Data: | Click here to view Chungju deposit, Mt. Eorae, Joongwon-gun, Chungju City, North Chungcheong Province, South Korea | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 267257 | |
| Long-form Identifier: | 1:3:267257:1 | |
| GUID (UUID V4): | 264b29aa-fdf0-48ee-a549-ff064fa583b2 | |
| References | ||
