a big strange andesite rock stone for outdoor garden decoration, on white background.

alternating andesite andesites background bands basalt big black boulder calcium carbon carbonate close coal colourful composed dark decoration feldspar forms fossil fuel garden geology gneiss granite gray grey heat isolated light limestone mable macro made marble metamorphic metamorphism mica mineral minerals mostly natural nature ore outdoor piece pressure quartz rhyolite rock rocks rough several shape stone strange structure subjected surface texture types volcanic white