BGS mineralogy and petrology collection record

Sample number LABNO6624; RC921/1; UG9454;
Sample Donor Not entered
Rock name 'Original entry: Zinnwaldite'
Stratigraphy Not entered
Comments Small fragments from the cleavelandite unit on hanging wall of cave. Fine-grained dark mica (Zinnwaldite?) surrounds muscovite as a halo and has been noted in some drill cores.
Locality details Gooddays pegmatite, (Mtoko area).
50k map sheet Not entered
Map reference Not entered
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions