BGS mineralogy and petrology collection record

Sample number S21998
Sample Donor Phemister,J.
Rock name 'Original entry: Diopside Rock, Altered Limestone'
Stratigraphy Not entered
Comments Relations to surrounding rock not seen but looks like altered limestone and seems to have a steep dip. Contains chalcedony and opal
Locality details In small stream gully, 170 yds SE of west bank of Allt an Fhaing
50k map sheet Lairg (102)

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Map reference NC 32414 15025
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


S21998

Cross Polarized, S21998

Plane Polarized, S21998

Plane Polarized, S21998