BGS mineralogy and petrology collection record

Sample number S28873
Sample Donor Wilson, George Victor
Rock name 'Original entry: Tourmaline-Garnet Pegmatite'
Stratigraphy Not entered
Comments Tourmaline-garnet pegmatite
Locality details SE coast of Gruna
50k map sheet Central Shetland (128)

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Map reference HU 376 468
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S28873

Cross Polarized, S28873

Plane Polarized, S28873

Plane Polarized, S28873