BGS mineralogy and petrology collection record

Sample number S55871; COLLNOYU867;
Sample Donor Harris,A.L.
Rock name 'Original entry: Coarse ?Sillimanite-Bearing Schist'
Stratigraphy Not entered
Comments Coarse ?sillimanite-bearing schist within pegmatite
Locality details 685 yds N 85 deg E of Gallow Hill
50k map sheet Cromarty (94)

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Map reference NH 808 663
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


S55871

Cross Polarized, S55871

Plane Polarized, S55871

Plane Polarized, S55871