Please study the following words and their definitions:
Mineral- a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.
inorganic- not formed from living things or the remains of living things
crystal- a solid in which the atoms are arranged in a pattern that repeats again and again.
color- an easily observed physical property; however, it often provides too little information
streak- the color of a mineral's powder
luster-the way a mineral reflects light from its surface
Moh's hardness scale- a scale ranking ten minerals from softest to hardest; it is used in testing the hardness of minerals
cleavage- a mineral's ability to split easily along flat surfaces
fracture- the way a mineral looks when it breaks apart in an irregular way.
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