Thank you, Mr. Nepal
When I was in the 8th grade, I had to memorize the definition of "mineral." To this day I can repeat the definition.Mineral - A naturally occuring, inorganic, homogenous substance that usually has a definite chemical composition and a characteristic internal structure evident in its exterior form and physical properties.
You try to memorize it. Not easy. Now, of course, it haunts me at all hours of the day. What's my phone number? A naturally occuring, inorganic, homogeneous...