BGS mineralogy and petrology collection record

Sample number E11713
Sample Donor Acton, T.
Rock name 'Original entry: Cristobalite Structure And Brown Interstitial Matter'
Stratigraphy Not entered
Comments Silica brick, heated up to 1750-1800 deg. centigrade.
Locality details Silica Brick Co. Bwlchgwyn, near Wrexham.
50k map sheet Wrexham (121)

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Map reference
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


E11713

Cross Polarized, E11713

Plane Polarized, E11713

Plane Polarized, E11713