BGS mineralogy and petrology collection record

Sample number S55885; COLLNOYU917;
Sample Donor Harris,A.L.
Rock name 'Original entry: Mica Schist With Sillimanite Knots'
Stratigraphy Not entered
Comments Mica schist with sillimanite knots
Locality details 1980 yds N 53 deg E of Castle Craig
50k map sheet Cromarty (94)

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Map reference NH 835 704
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


S55885

Cross Polarized, S55885

Plane Polarized, S55885

Plane Polarized, S55885