Help make Alexa smarter on Alexa Answers. Sign in with Amazon


Are sapphires blue?

The scientific name of a sapphire crystal is called Corundum. Corundum is an aluminum oxide mineral. Corundum comes in all colors, and blue is among them.

{{ relativeTimeResolver(1587072027056) }}

Points points 226
Rating 0

Similar Questions
Sign in to view all similar questions
Science 1 Answer
Science 1 Answer
Science 2 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world