Basalt Rock Formations — Blue

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Hexagonal Basalt Columns — Black, Serene

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Basalt Columns at Coastline — Blue, Dramatic

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Giant's Causeway

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Basalt Columns at Sea — Black

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Basalt columns at sea

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Columnar Basalt Formations

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Basalt Columns at Coastline — Brown, Serene

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Columnar Basalt Formation — Blue, Natural

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Basalt columns at Giant's Causeway

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Basalt Columns at Sea — Blue, Dramatic, Photograph

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Basalt columns in a sea cave

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