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| - The interior of some of the larger loughs, when first broken into, form a spectacle of unrivalled splendour, The walls of the cavity formed of crystallised quartz, aragonite, dolomite, fluor spar, iron pyrites, blende, galena, and other minerals, arranged in the most grotesque order and reflecting the light in a variety of colours from thousands of prisms, produces an effect that cannot be describ
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