BGS mineralogy and petrology collection record

Sample number S21461
Sample Donor Richey, James E.
Rock name 'Original entry: Pitchstone'
Stratigraphy Not entered
Comments Devitrified part of glassy pitchstone; Memoir, p. 139
Locality details 600 yds S 30 deg E of summit of Ben Hiant
50k map sheet Tobermory (52)

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Map reference NM 5422 6254
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


S21461

Cross Polarized, S21461

Plane Polarized, S21461

Plane Polarized, S21461