Smarty Pants Quiz
Emeralds and rubies get their colors from which element?
The presence of the chromium impurity makes the colorless corundum crystal red, while the presence of the chromium impurity makes the colorless beryl green.
Amazing! Now go here!
09
00
00
Emeralds and rubies get their colors from which element?
4 of 15 people (26.67%) answered
this question correctly.
0 of 54 questions completed