Episode 42: Spinel

3 years ago
49
Colored Gemstone academy Black Prince Ruby Timur Ruby Imperial State Crown of the United Kingdom magnesium aluminum oxide spinel vs ruby colors of spinel mohs scale of hardness Refractive index single refraction sunday funday with paul and judy

This episode is about Spinel. What is spinel? Is it in the same family of gems as a ruby? How is it different than a ruby? Where is spinel mined? Is spinel rare and expensive? What are some famous spinels?

Music courtesy of youtube music:
Tiptoe out the back by Dan Lebowitz

Loading comments...