Predicting danger has a significant role in the symbolism and mythology of turquoise. Some people think that turquoise stones, like malachites, can warn their owners by breaking. Evidently, changes in color indicate an imminent sickness.
Turquoise and rainbows were said to be related, according to a popular belief.
The sea-green stone was a symbol of purity worn by Greek maidens. In the meantime, maidens in England gave their boyfriends gifts of turquoise as a symbol of enduring love. The blue-green stones also represent love in Russian culture. In fact, many couples include them in their wedding rings.