gemstone
Aquamarine
Beryllium Aluminum Silicate, Be3Al2(SiO3)6
AI-generated identification · may be incorrectHardness of 7.5 to 8 on the Mohs scale, pale blue to light green color, vitreous luster, and hexagonal crystal system.
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 of 7.5 to 8 on the Mohs scale, pale blue to light green color, vitreous luster, and hexagonal crystal system.
Formation & geological history
Forms within pegmatites and hydrothermal veins as magma cools and crystallizes under high pressure and temperature over millions of years.
Uses & applications
Prized globally as a gemstone for fine jewelry and highly sought after by mineral collectors.
Geological facts
Aquamarine gets its name from the Latin words for water and sea, reflecting its distinct ocean-like hues.
Field identification & locations
Identified by its signature hexagonal prismatic crystal habit and pale greenish-blue coloration, commonly mined in Brazil, Pakistan, and Madagascar.
More like this
Other gemstone specimens
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Pearl necklace
Pearl, primarily aragonite (CaCO₃) and conchiolin
gemstone