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Basalt - hand specimen

Basalt hand specimen


Basalt thin section
Thin section
Basalt hand specimen
Hand specimen
Basalt thin section x-polars
Thin section x-polars
Basalt close up
Close-up
Basalt exposure
Exposure
Basalt in use
Rock in use
Basalt dark-coloured, fine-grained (too small to be seen) interlocking crystals (dark-coloured crystals are usually rich in iron/magnesium) a fine-grained, dark-coloured, iron/magnesium-rich igneous rock, often with gas holes