Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered structure at the atomic level. When this highly ordered structure extends ...

Rubies appear red because they absorb blue and green light. Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered structure ...

Similarly, the gem industry uses fillers to improve the look of emeralds. Because of their close refractive index to emeralds, these fillers improve the clarity and lustre of the gemstone by ...

Each aluminum ion is surrounded by six oxygen ions. Emeralds are mainly made up of the mineral beryl, which is made from the elements beryllium, aluminum, silicon and oxygen. Beryl’s crystal ...

Similarly, the gem industry uses fillers to improve the look of emeralds. Because of their close refractive index to emeralds ...