Blue is the classic, but sapphire is also available in green, bluish purple, pink, yellow, orange and parti-colored — a mix. Color-change sapphire is blue in natural light and has a purplish cast in incandescent light. Padparadscha sapphire is pinkish orange. Star sapphires have a six-pointed “star” pattern created by inclusions. Sapphire can also be clear/white, colorless.
Recorded by ancient Greeks and Romans as a protection against harm and envy. Its name is from the Latin saphirus or Greek sapheiros, both words for blue.
Use in jewelry:
Due to its hardness and durability, sapphire is ideal for any jewelry application.
9 (1 softest to 10 hardest)
Heating is common to achieve better color and clarity, irradiation may be used to change color and beryllium treatments will improve or change color. Star sapphires may undergo a diffusion treatment (heat and chemical application) to boost the appearance of the star pattern. All treatments must be discolosed.
Soap and water and a soft brush, air-dry or dry with a soft cloth.