Shape, size, density, mineral composition, method of formation, degree of erosion, degree of metamorphism, color, smell, location, origin.
No i beg to differ!
Rocks differ due to texture, hardness, color and shape.
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A sandblasted rock would appear smoother and have a more uniform texture compared to a rock that hasn't been sandblasted. The surface of the sandblasted rock would also likely be lighter in color due to the removal of outer layers of the rock.
Rocks can differ in their composition, texture, and origin. Composition refers to the minerals present in the rock. Texture refers to the size, shape, and arrangement of mineral grains within the rock. Origin refers to how the rock was formed, whether it was through cooling of magma, cementing of sediments, or alteration of existing rocks.
The chemical formula unit is the same: NaCl; rock salt (halite) in the mine is more impure.
Desert regions differ in their landscapes. Sand deserts are sandy. Stony deserts have gravel surfaces. Rock deserts have bare rock surfaces are kept clear of sand or gravel by the wind. Deserts that are rocky plateaus are Plateau deserts, and bare and ariid arrays of jagged rock peaks are Mountain deserts. Deserts also differ in the types of wildlife and plants that live in them.
A high metamorphic grade
Desert regions differ in their landscapes. Sand deserts are sandy. Stony deserts have gravel surfaces. Rock deserts have bare rock surfaces are kept clear of sand or gravel by the wind. Deserts that are rocky plateaus are Plateau deserts, and bare and ariid arrays of jagged rock peaks are Mountain deserts. Deserts also differ in the types of wildlife and plants that live in them.
Teen rock is more 'safe' if you may, it is more is catchier and more pop, unlike rock n roll. Teen rock probably doesn't have any guitar solo's or angry lyrics.