Aquamarine
BerylJewelryWiki Editorial·3 sources·Reviewed 2026-07-31
The same mineral species as emerald — beryl — but without the fractures that make emerald fragile, which is why it wears far better for the same hardness.
Properties
| Property | Value | Authority |
|---|---|---|
| Mohs hardness | 7½–8 [1] | — |
| Specific gravity | 2.68–2.74 [1] | — |
| Crystal system | Hexagonal [3] Read from the species article, Beryl. | — |
| Birthstone month | March [2] | — |
Sources
- International Gem Society — reference charts (Mohs hardness, specific gravity, refractive index) — International Gem Society (IGS reference charts)
- Jewelers of America — Birthstones — Jewelers of America (Jewelers of America, Birthstones)
- Wikipedia — mineral article infoboxes (crystal system) — Wikipedia contributors (Wikipedia mineral infoboxes)