A ruby is a mineral that forms a uniform crystal structure throughout, while the surrounding rock that contains rubies consists of many different compounds.
Production, dispersal, sedimentation and taphonomy of spores/pollen
The earth
1.
2.
3. FACT:
A ruby is considered a mineral. It's a nice pretty crystal
with the same compounds throughout the object. But the
rock that surrounds that ruby has many many different
compounds