Betafite Group from
Nachtrieb pegmatite, Buena Vista, Chaffee County, Colorado, USA
Locality type: | Pegmatite | |
Classification | ||
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Species: | 'Betafite Group' (not an IMA approved species) | |
Formula: | A2(Ti,Nb)2O6Z | |
Comments: | 0.5 to 1 cm-diameter yellowish green to brown, glassy grains with a light colored oxidation crust. SEM & XRF shows high concentrations of Ca, U, Ti, Nb, minor W, Ta, and low REE and Y concentrations. Occurs in close association with black polycrase up to 5+ cm long and clusters of light- to dark-green zircon up to 4 cm wide. | |
Colour: | yellowish green to brown | |
Confirmation | ||
Validity: | Believed Valid | |
Data | ||
Mineral Data: | Click here to view Betafite Group data | |
Locality Data: | Click here to view Nachtrieb pegmatite, Buena Vista, Chaffee County, Colorado, USA | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 1214971 | |
Long-form Identifier: | 1:3:1214971:9 | |
GUID (UUID V4): | 31239d62-7be8-4dd8-bf63-942cb0ebeb32 | |
References | ||