0.80ct Cushion Aquamarine
This stone is a 0.80ct cushion cut aquamarine mined in Madagascar. It is an interesting silver blue color and would make a unique ring or small pendant.
Aquamarine, like Emerald, is a member of the Beryl species of gemstone. Aquamarine is not surprisingly named after the sea and was once believed to have protected sailors from harm. It is most often a light greenish-blue to bluish-green. The color usually grows in intensity as the sizes of the stones increase. Large aquamarine specimens have been found all over the world, the largest of which was discovered in Brazil. Aquamarine is a US birthstone for March.
Today, aquamarine is mainly mined in Brazil but is also found in Nigeria, Madagascar, Zambia, Pakistan, and Mozambique.
Aquamarine is 7.5 - 8 on the Mohs hardness scale.
Aquamarines have a refractive index of 1.57 - 1.58.
Care and Cleaning:
It is recommended to clean your aquamarine with warm, soapy water. Ultrasonic and steam cleaning is usually safe but risky if it contains features or liquid inclusions.