BGS mineralogy and petrology collection record

Sample number S20277
Sample Donor Clough, C.T.
Rock name Not entered
Stratigraphy Not entered
Comments Sapphire; Memoir, p. 272
Locality details Coast 3500 ft slightly N of W of Ormsaig
50k map sheet Iona (43)

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Map reference NM 4362 2387
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


S20277

Cross Polarized, S20277

Plane Polarized, S20277

Plane Polarized, S20277