Terms placed in this category generally are terms that help determine rocks and minerals from each other.
“Sedimentary rocks are one of the three different rock types. They are created at or around the...Sedimentary rock
“Specific gravity is a term that describes the ratio of density of a solid to the density of...Specific gravity
“Lustre (or luster) is a term that describes how light reflects off of a rock or mineral. This...Lustre
“Cleavage is a split parallel to aligned fine grains in a rock. It is a kind of foliation...Cleavage
“The streak of a mineral is the color that shows when a mineral is scratched on a surface, such...Streak