Collection of natural dark gray rough stones isolated on light background for geological study
Schlüsselwörter
stone,
grey,
rough,
geologic,
natural,
rock,
texture,
mineral,
isolated,
background,
surface,
boulder,
hard,
formation,
irregular,
rugged,
pile,
solid,
shape,
earth,
landscape,
masonry,
construction,
quartz,
sandstone,
granite,
layered,
strata,
sedimentary,
erosion,
untouched,
raw,
fossil,
massa,
structure,
weight,
mineralogy,
composition,
study,
education,
collection,
sample,
specimen,
detail,
exploration,
stone,
coal
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