AskDefine | Define aquamarine

Dictionary Definition



1 a transparent variety of beryl that is blue green in color
2 a shade of blue tinged with green [syn: greenish blue, aqua, turquoise, cobalt blue, peacock blue]

User Contributed Dictionary



From aqua, water + marinus, marine, adjective form from mare, sea



  1. the bluish-green colour of the sea
    aquamarine colour:   
  2. a bluish-green variety of beryl


  1. of a bluish-green colour.


aquamarine colour
  • Croatian: akvamarin
  • Finnish: akvamariini
type of beryl
  • Croatian: akvamarin

Derived terms

See also

Extensive Definition

Aquamarine (Lat. aqua marinā, "water of the sea") is a gemstone-quality transparent variety of beryl, having a delicate blue or turquoise color, suggestive of the tint of seawater. It is closely related to the gem emerald. Colors vary and yellow beryl (heliodor), rose pink beryl (morganite), and white beryl (goshenite) are known.


Aquamarine is a beryl with a hexagonal crystal structure and a chemical formula of Be3Al2Si6O18, a beryllium aluminium silicate mineral. It has a specific gravity of 2.68 to 2.74 and a Mohs hardness of from 7.5 to 8. Aquamarine typically is on the low end of the specific gravity range, normally at less than 2.7. The pink variety exhibits a high specific gravity of around 2.8. Refractive indices range around 1.57 to 1.58.

Locations of deposits

It occurs at most localities which yield ordinary beryl, some of the finest coming from Russia. The gem-gravel placer deposits of Sri Lanka contain aquamarine. Clear yellow beryl, such as occurs in Brazil, is sometimes called aquamarine chrysolite. When corundum presents the bluish tint of typical aquamarine, it is often termed Oriental aquamarine.
In the United States, aquamarines can be found at the summit of Mt. Antero in the Sawatch Range in central Colorado. In Brazil, there are mines in the states of Minas Gerais, Espírito Santo and Bahia. Colombia, Zambia, Madagascar, Malawi, Tanzania and Kenya also produce aquamarine.
The biggest aquamarine ever mined was found at the city of Marambaia, Minas Gerais, Brazil, in 1910. It weighed over 110 kg, and its dimensions were 48.5 cm long and 42 cm in diameter.
Aquamarine is the official state gem of Colorado and Missouri.

Culture and historical/mythical usage

  • Aquamarine (along with bloodstone) is the birthstone associated with March. It is also the gemstone for the 19th Anniversary.
  • People in the Middle Ages thought that aquamarine could magically overcome the effects of poison.
  • Ancient sailors traveled with aquamarine crystals, believing that it would ensure a safe voyage, and guarantee a safe return; they often slept with the stones under their pillow to ensure sound sleep. They believed the siren’s (mermaid) fish-like lower body was made of aquamarine.

See also


aquamarine in Bulgarian: Аквамарин
aquamarine in Czech: Akvamarín
aquamarine in Danish: Akvamarin
aquamarine in German: Aquamarin
aquamarine in Estonian: Akvamariin
aquamarine in Spanish: Aguamarina
aquamarine in French: Aigue-marine
aquamarine in Galician: Augamariña
aquamarine in Hebrew: אקוומרין
aquamarine in Latvian: Akvamarīns
aquamarine in Lithuanian: Akvamarinas
aquamarine in Dutch: Aquamarijn
aquamarine in Japanese: アクアマリン
aquamarine in Norwegian: Akvamarin
aquamarine in Polish: Akwamaryn
aquamarine in Portuguese: Água-marinha
aquamarine in Romanian: Acvamarin
aquamarine in Russian: Аквамарин
aquamarine in Slovenian: Akvamarin (kamen)
aquamarine in Serbian: Аквамарин
aquamarine in Finnish: Akvamariini
aquamarine in Swedish: Akvamarin
aquamarine in Vietnamese: Ngọc berin
aquamarine in Turkish: Akuamarin
aquamarine in Ukrainian: Аквамарин
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