BGS mineralogy and petrology collection record

Sample number RC981/G
Sample Donor Not entered
Rock name 'Original entry: Ralstonite, Thomsenolite'
Stratigraphy Not entered
Comments Fragment of white ralstonite, forming layers, wafer thin, alternating with brownish-coloured prisms growing at right angles to the layers, giving a comby structure. The prisms - thomsenolite - are best developed in cavities between ralstonite growths
Locality details Ralstonite. Ivigtut, Greenland.
50k map sheet Not entered
Map reference Not entered
Year collected 0 
Bore name Not applicable
Confidentiality No restrictions