Mineral extraction sites adjacent to the railroad line.
Rhodium
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 property of cleavage or fracture would be most useful in identifying the unknown rock. Cleavage refers to the way a mineral breaks along flat surfaces, while fracture refers to how it breaks when no cleavage is present. These properties can help to determine the mineral composition of the rock.
Actually, a mineral is an ore if it contains another mineral. It can also be sold for a profit, once the USEFUL mineral is either melted out, or drilled out. Then the left over of the ore is useless, but the mineral itself can be sold for profit purposes.
I'm pretty sure that the answer will be a daimond because they are useful and can be sold also gold to but the one that is mainly mineral is a daimond.
A mineral that is useful and economically viable to extract and purify is an ore.
because they like TOAST
because its small
Luster is typically considered the least useful mineral property, as it does not provide much information about the mineral's identity or composition. Luster simply describes how light is reflected off the surface of a mineral, such as metallic, glassy, or dull, and can vary even within the same mineral species.
coal
Color and streak would be the least useful, because they may be shared by a multitude of other minerals.
penis
maybe copper
smelting
Flotation is a process of separation of an useful mineral from gangue.
no, because the same mineral can be more than one color.
zinc is an essential mineral that keeps you healthy...I'd say that's pretty useful.