Search Results for: Mineralogical collections
color impurity and makes the stone appear pink. the ruby (from the latin word ruber, meaning "red," or rubeus, meaning "reddish") is a well-known red gemstone . it is considered one of the four most precious types of gems, the other three being diamond , emerald , and sapphire . in chemical and mineralogical
color impurity and makes the stone appear pink. the ruby (from the latin word ruber, meaning "red," or rubeus, meaning "reddish") is a well-known red gemstone . it is considered one of the four most precious types of gems, the other three being diamond , emerald , and sapphire . in chemical and mineralogical...
https://www.newworldencyclopedia.org/entry/Ruby