Beryl · Mohs 7.5–8
Emerald: Identification, Meaning & Care
Emerald is green beryl colored mainly by chromium, vanadium, or both. Natural stones commonly contain visible inclusions.
Emerald properties
- Formula
- Be₃Al₂Si₆O₁₈
- Mineral group
- Beryl
- Mohs hardness
- 7.5–8
- Color
- Bluish green to green
- Transparency
- Transparent to translucent
- Luster
- Vitreous
- Cleavage / fracture
- Indistinct; often highly included
How to identify Emerald
- Color should be evaluated with inclusions and crystal structure, not alone.
- Surface-reaching fractures and oils are common in trade.
- Laboratory reports are recommended for valuable stones.
Emerald care
Water
Avoid ultrasonic, steam, heat, and solvents because fracture filling is common.
Light & heat
Normal light is usually safe; avoid excessive heat.
Storage
Store separately from harder materials and cushion sharp edges, points, or cleavage-prone faces.
Traditional meaning
Historically associated with renewal, fertility, and wisdom.
Traditional symbolism is presented as cultural history or personal practice, not as a scientific or medical claim.
Sources & further checking
- Mindat mineral database
- GIA Gem Encyclopedia
- RRUFF mineral database
- International Mineralogical Association
See our full methodology.