Alexandrite

Alexandrite

Alexandrite www.sampathgems.com Alexandrite is a beryllium, Aluminium Oxide. It is actually a Chrysoberyl which belongs to the Oxide Class of minerals. Alexandrite is named for the former czar of Russia, Alexander II, and was first discovered in the Ural Mountains of...
White Sapphire / 白色蓝宝石

White Sapphire / 白色蓝宝石

Although blue sapphires are the most coveted, the gem comes in a variety of colors, including gray, black, and the colorless white sapphire. Several countries around the world produce sapphires, including Australia, Thailand, China, Madagascar, and the United States....
Cat’s Eye / 猫眼宝石

Cat’s Eye / 猫眼宝石

Cat’s Eye Cat’s-EyeA variety of chrysoberyl with acicular mineral inclusions oriented in relation to the vertical axis of the chrysoberyl crystal structure capable of producing chatoyancy is identified as cymophane. In its structure these innumerable...
STAR SAPPHIRE / 星 蓝宝石

STAR SAPPHIRE / 星 蓝宝石

STAR SAPPHIRE Natural star sapphire is a fabulously beautiful stone. In its properties, star sapphire is a kind of corundum mineral. Such sapphires can also be called star sapphires. In English, their name is “star sapphire”. The peculiarity of these...
Padparadscha

Padparadscha

PADPARADZHA AND PINK SAPPHIRE At a word ” sapphire “, in ideas, as a rule, there is an image of a stone of dark blue color. However, sapphires are not always the same. And this exception is absolutely charming. Sapphires, differing from the blue shades...
ALEXANDRITE / 紫翠玉

ALEXANDRITE / 紫翠玉

Alexandrite is a precious stone, a kind of chrysoberyl mineral. This is one of the rarest and most expensive stones in the world. It was first discovered in 1830 in Russia, in the Urals. The name was given to Alexandrite on the occasion of the coming of age of the...