gemstone
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
AI-generated identification · may be incorrectHardness: 7.5-8.0 (Mohs), Color: Pale blue to greenish-blue, Luster: Vitreous, Crystal System: Hexagonal, Specific Gravity: 2.66-2.80
- Hardness
- 7
- Luster
- Vitreous, Crystal System: Hexagonal, Specific Gravity: 2
Identified More gemstone →
Explore Aquamarine in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness: 7.5-8.0 (Mohs), Color: Pale blue to greenish-blue, Luster: Vitreous, Crystal System: Hexagonal, Specific Gravity: 2.66-2.80
Formation & geological history
Formed in granitic pegmatites and metamorphic rocks like schists during late-stage hydrothermal activity. Typically found in deposits dating back millions of years.
Uses & applications
Primary use is in fine jewelry as a gemstone and as a collector's mineral specimen. Beryl is also an ore of beryllium used in aerospace and electronics.
Geological facts
The largest gem-quality aquamarine ever found was the Marambaia Aquamarine, weighing over 110 kilograms. Its name comes from the Latin 'aqua marina' meaning sea water.
Field identification & locations
Identify by its characteristic pale blue color and hexagonal prism crystal habit. Often found in Brazil, Pakistan, and parts of Africa. For collectors, clarity and color depth are key.
More like this
Other gemstone specimens
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone
Amber
Succinite (Organic Gemstone)
mineral