 Halecombe

Halecombe, is a limestone quarry near Leigh-on-Mendip on the Mendip Hills, Somerset, England.The quarry exhibits pale to dark grey well-bedded Carboniferous Limestone, about 350-320 million years old, dipping steeply and consistently northwards and numerous "fist-sized" calcite inclusions within the limestones both solid and hollow with internal calcite crystal growth.