Bismutotantalite from
La Elvirita deposit, El Quemado mining district, La Poma Department, Salta Province, Argentina
| Locality type: | Mine | |
| Classification | ||
|---|---|---|
| Species: | Bismutotantalite | |
| Formula: | Bi(Ta,Nb)O4 | |
| Comments: | "A fresh, cm-sized crystal, dark grey with a greasy luster and D = 8.809 g/cm3, was examined. In reflected light, it is grey with very weak bireflectance; two phases can be distinguished. Electron-microprobe analysis gives the host bismutotantalite [Bi] as (Bi0.98Sb0.02)(Ta0.89Nb0.11)O4; the subsidiary phase [Bi,Sb], (Bi0.68Sb0.32)(Ta0.89Nb0.11)O4" | |
| Colour: | dark grey | |
| Quality for species: | Good crystals or rich for species - important (!) | |
| Confirmation | ||
| Validity: | Confirmed | |
| Confirmation Methods: | XRD EPMA | |
| Data | ||
| Mineral Data: | Click here to view Bismutotantalite data | |
| Locality Data: | Click here to view La Elvirita deposit, El Quemado mining district, La Poma Department, Salta Province, Argentina | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 359827 | |
| Long-form Identifier: | 1:3:359827:6 | |
| GUID (UUID V4): | 330d6401-c771-4211-8856-12f80b8d6959 | |
| References | ||
