Shandchem:
Ballachulish Slate, a metamorphic rock rich in cubic iron pyrite crystals, Cullipool Quarry.
Shandchem:
Cullipool Quarry where once 150 quarrymen worked on Luing Island quarrying Ballachulish slate.
Shandchem:
Cullipool Quarry where once 150 quarrymen worked on Luing Island quarrying Ballachulish slate.