Chromium-bearing Elbaite from
Umba River (Umba Valley), Korogwe Rural District, Tanga Region, Tanzania
Locality type: | River | |
Classification | ||
---|---|---|
Species: | Elbaite var: Chromium-bearing Elbaite | |
Formula: | Na(Li1.5Al1.5)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH) | |
Comments: | Shows the so called Usambara effect, with hue changing from green to red with increases in path length of light through the material. | |
Confirmation | ||
Validity: | Believed Valid | |
Data | ||
Mineral Data: | Click here to view Chromium-bearing Elbaite data | |
Locality Data: | Click here to view Umba River (Umba Valley), Korogwe Rural District, Tanga Region, Tanzania | |
Photo Gallery | View Gallery (2 photos) | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 47595 | |
Long-form Identifier: | 1:3:47595:8 | |
GUID (UUID V4): | f2615a41-e82c-40ea-a1d6-d3e2589b82a8 | |
References | ||
Umba River, Korogwe Rural District, Tanga Region, Tanzania