Rocks and Minerals
Rock:natural organic compound Mineral: a mix of rocks
Minerals
- forms in nature
- is a solid
- has a definite chemical makeup
- has a crystal structure
Lead
The lead in pencils is the part that shows up on the paper.
Sphalerite
Sphalerite is referring to the dyes used to make towels change colors.
Chromite
The Chromite is the dye that changes the fabric's color.
Other Examples
- the quartz in a mirror
- the gold connections for a radio/clock
- hematite in your closet for the metal bars
- pentlandite for the stain less steel in a vacuum
- the copper in the vacuum for wiring
- there is galena in a dishwasher
- zincite in sunscreen