Stone 04 · Gemstone guide
Emerald
Panna · Marakata
Emerald is the green variety of beryl. Its colour is linked principally to chromium, vanadium or both, and its characteristic inclusions require thoughtful cutting, setting and care.
Gemological register
- Mineral
- Beryl
- Composition
- Beryllium aluminium silicate
- Crystal system
- Hexagonal
- Mohs hardness
- 7.5 to 8
- Refractive index
- Commonly about 1.577 to 1.583
- Specific gravity
- Commonly about 2.72
Colour
Colour is a range, not a shorthand.
Emerald ranges from bluish green to yellowish green. Hue, saturation, tone and evenness are observed together, ideally across more than one lighting condition.
Clarity and character
Read inclusions in context.
Fissures, crystals and growth structures are common and may form a visible internal garden. Their beauty and their effect on durability are separate questions that both deserve attention.
Treatment disclosure
Ask what changed and how it was detected.
Fissure filling with oils, resins or polymers is common. The type and apparent degree of clarity enhancement, and any evidence of dye or coating, should be recorded when known.
Setting practice
The mount answers the material.
A well-fitted seat distributes pressure away from fissures and corners. Protective bezels or carefully placed claws can help, but the setter must work from the individual inclusion map.
Care
Care follows the individual record.
Avoid ultrasonic and steam cleaning, harsh chemicals and sudden heat. Use a soft damp cloth or mild soapy water only when appropriate to the known filler, then dry without abrasion.
Sourcing questions
Questions worth carrying to the desk.
- 01What clarity enhancement is present, and what substance was identified?
- 02Has any dye or surface coating been detected?
- 03Is a geographic origin opinion independently documented?
- 04Which fissures need to be considered in the setting design?
Kundali note
Emerald is traditionally associated with Budha in Jyotish. A chart reading may inform a ratna discussion, but the stone is still assessed independently for identity, treatment and suitability.
Traditional association and gemological assessment remain distinct parts of a conversation. No material is presented as an outcome guarantee.
Read the consultation process →Individual assessment
Ask about a stone, setting or record.
Bring the object, report language or sourcing question you want to study. The next step is a direct conversation.
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