BGS mineralogy and petrology collection record

Sample number S14003
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: ?Decomposed Kentallenite'
Stratigraphy Not entered
Comments Balnahard kentallenite
Locality details Balnahard, cliff just E of house, Colonsay
50k map sheet Colonsay (35)

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Map reference NR 4153 9942
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


S14003

Cross Polarized, S14003

Plane Polarized, S14003

Plane Polarized, S14003