A definite chemical composition
reactivity to acids
Magnetism is a unique property of minerals used in a compass.
Minerals in the ground are treated as real property, but, after removed from the land, they become personal property.
What property do minerals that glow under ultraviolet light display
The property of color.
What property do minerals that glow under ultraviolet light display
actually no its not
A primary property is one that all minerals possess, whereas a special property is found in only one or a few minerals.
Luster is not a good property for identifying minerals because many minerals look similar. Your best way of knowing which mineral is which is by measuring their hardness.
Color
hardness
A definite chemical composition
Simply because colour has nothing to do with any other property of the substance in question.