Open Adit™ - Aquamarine Datasheet

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Aquamarine is a transparent, light blue or sea-green stone that is porous. Today, blue aquamarines are more highly valued, but this was not true in the past, when sea-green stones were prized. Heat-treatment turns greenish stones bluer. The best aquamarines come from Brazil. Large aquamarines are relatively common. Aquamarines are usually faceted but when they are cabochon cut, a cat's eye effect or asterism may appear. Aquamarines belong to the beryl family of stones.

Be₃Al₂Si₆O₁₈ - Beryllium Aluminum Silicate

Class:

Subclass:

Variety:

Light to dark blue-green

White

Vitreous to dull

Transparent to Translucent

2.6

7.5 - 8

Imperfect

Uneven to concohidal

Long prismatic to tabular cyrstals, columnar and radial aggregates, granular, massive

Non-fluorescent

Frequency:

Abundant

Origin:

Magmatic in pegmatites and granites; hydrothermal in greisens. Commonly associated with tourmaline, quartz, and albite.

Occurence:

Minas Gerais, Brazil; Marambaia Mine, Brazil; Murzinka, Ural mountains, Siberia, Russia; Spitzkopje, Namibia; Pakistan.

Application:

Ore, cut as gemstones, as a mineral specimen

Aquamarine Gallery

Metaphysical Properties

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