Aquamarine
Aquamarine is a blue variety of beryl, the same mineral family as emerald. Its name means 'water of the sea' in Latin.
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Aquamarine properties at a glance
| Type | Semi-Precious Stones |
|---|---|
| Chemical formula | Be3Al2(SiO3)6 |
| Mohs hardness | 7.5 |
| Crystal system | hexagonal |
| Luster | vitreous |
| Streak | White |
| Cleavage | Imperfect |
| Fracture | Conchoidal |
| Specific gravity | 2.7 |
| Transparency | transparent |
| Common colors | Light Blue, Blue-Green, Greenish Blue |
| Rarity | uncommon |
Geology & background
Forms in pegmatites from beryllium-rich fluids. The blue color comes from trace iron impurities.
Ancient Romans believed aquamarine could reconcile enemies and make new friends.
How to identify Aquamarine
- Check whether the specimen's color and texture match typical Aquamarine examples.
- Photograph a fresh surface in natural light and avoid shadows, glare, or wet surfaces.
- Use hardness, streak, luster, grain size, and locality together; no single trait is enough for every specimen.
Where Aquamarine is found
Aquamarine is reported from multiple localities or geological settings. Exact locality should be verified from specimen provenance, maps, or field notes.
How much is Aquamarine worth?
| Entry-level specimen | $50 |
|---|---|
| Typical collector specimen | $300 |
| Premium specimen | $5000+ |
Value depends on size, condition, color, crystal quality, locality, rarity, preparation, and provenance. Treat this as educational guidance, not an appraisal.
Common uses
- Jewelry
- Collector specimens
Interesting facts
- The largest gem-quality aquamarine weighed over 110 kg
- Sailors believed it calmed waves and kept them safe
- Heat treatment can enhance the blue color
Care & safety
Treat Aquamarine as a collector specimen unless hardness, cleavage, and fracture are confirmed.
Avoid inhaling dust. Do not cut, grind, or polish unknown specimens without eye protection and a properly rated respirator.
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