It is similar because you are putting rocks into groups like you are putting elements into groups
In classifying rocks, there are many properties that can be useful. In my opinion, either color or texture is most useful in classifying a rock or mineral.
Atomic Masses
cleavage, fracture, luster, streak and color
Rocks are usually not elements, but they contain elements.
Search this element in the periodic table of Mendeleev.
It is similar because you are putting rocks into groups like you are putting elements into groups
In classifying rocks, there are many properties that can be useful. In my opinion, either color or texture is most useful in classifying a rock or mineral.
The "Periodic Table of Elements" is used for classifying the elements, and to know which one is which.
Rocks
Particle size.
Atomic Masses
Rocks and soil usually contain elements such as minerals, nutrients like iron and boitin metallics elements as such only.
cleavage, fracture, luster, streak and color
Rocks are usually not elements, but they contain elements.
Search this element in the periodic table of Mendeleev.
The Periodic Table. The table has Groups and Period. in order to classify elements.
Dark igneous rocks usually have higher amounts of heavier elements such as iron. Light-colored igneous rocks tend to be richer in lighter elements like sodium and aluminum.