a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition
not formed from living things or the remains of living things
a solid in which the atoms are arranged in a pattern that repeats again and again
a pure substance made of only one kind of atom
a pure substance made of two or more elements chemically combined
Moh's hardness scale
a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals
the color of a mineral's powder
the way a mineral reflects light from its surface
a mineral's ability to split easily along flat surfaces
The way a mineral looks when it breaks apart in an irregular way.
The property of a mineral in which the mineral glows under ultraviolet light.
a mixture in which one substance is dissolved in another
A narrow deposit of a mineral that is sharply different from the surrounding rock.
a hard, colorful mineral that has a brilliant or glassy luster
Rock that contains a metal or economically useful mineral
The process by which ore is melted to separate the useful metal from other elements
a solid mixture of two or more metals