is striking for its stunning shades of blue. From sky blue to the deep blue of the ocean, he is just in the modern jewelry processing very popular. Like the emerald, it belongs to the beryl family. Aquamarine is almost completely free of inclusions, which gives it a wonderful luster.
The history of aquamarine
Many of the gemstones originated in Brazil and also owe their special name to their country of origin. Particularly intense blue aquamarine is called "Santa Maria". However, aquamarine is also found on the African continent and Madagascar.
The origin of aquamarine
Aquamarine is formed from the mineral beryllium, which is very rare. When this combines with aluminum, silicon and oxygen, this stone is formed in a hydrothermal way. It is formed in magmatic rock. Aquamarine gets its color from the substance iron.
Properties of the aquamarine
Aquamarine is one of the most famous and popular gemstones. He has a hardness of 7.5-8 on the Mohs scale. The hardness protects it from scratches and it is very popular in modern jewelry making. His clear color makes it easy to see fine inclusions. These can be impressively highlighted and give the stone again particularly unique effects.
- Occurrence: Madagascar, Brazil, Australia, Nepal, Afghanistan
- Colors: light blue, dark blue, greenish blue
- Transparency: transparent to translucent
- Hardness: 7.5 to 8.0
- Density: 2.68 to 2.75
- Carat price: € 40,- to 500,-/ct; stones over 15 carat rarer