subject: Well Known Yellow Sapphires [print this page] Only few gems can be compared to a yellow sapphire. In the olden times it was considered as a regal gem. Most of the kings and queens worn the yellow sapphire, not only for its beauty, it also act as a talisman providing a powerful defense against harm. During at the twelfth century in Europe , the bishop of rennes , France lavished praise on the yellow sapphire for necessary uses like ecclesiastical rings. It is also regarded that it was the gem of the gems. It was also believed by the people that it is endowed with the power to influence spirits. In the ancient times of the people believe that these yellow sapphire brought god fortune just by gazing up on it.
Any kind of color than red is known as sapphire and so there are many sapphire colors. The name sapphire alone denotes to blue color. All the other colors have the color name which is included to the stone. Ruby is the sister stone of sapphire and it is the red variety of corundum. Yellow sapphire is the beautiful choice for many people because of its durability. Most of the yellow sapphires come from srilanka. Some of the yellow sapphire comes from Tanzania. The hardness of the yellow sapphire is 9. The toughness of the sapphire is also very good. The gravity of the yellow sapphire is about 4.00 (+/- .03). The main source of this stone is from Thailand, srilanka, Australia and Africa. It is good at heat reaction but sometimes it is possible to some color change. The durable refraction is 0. 008.
