non-metallic mineral specimen of raw calcite rock on white background.

aggregate andesite atmosphere back background backgrounds beach coast detail earth explodes extrudes extrusive fall flows formation granite gravel gray grey hand hard holding hot igneous isolated jasper lava limestone magma mass matter mineral mineraloid minerals mode naturally nature occurring pattern pebble pebbles pyroclastics raw red rock rocks sample sandstone smooth solid specimen stone stones surface texture textured tuff violently volcanic water white