BGS mineralogy and petrology collection record

Sample number S19587
Sample Donor Howe,J.A.
Rock name 'Original entry: Silica Glass, N = 1.46'
Stratigraphy Not entered
Comments Silica glass, n = 1.47, Highland metamorphic series (fused), refractory
Locality details N of N end of Bonahaven Distillery Buildings
50k map sheet Port Askaig (27)

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Map reference NR 420 732
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


S19587

Cross Polarized, S19587

Plane Polarized, S19587

Plane Polarized, S19587