know the size
- 1. Select an existing ring that fits the desired finger.
- 2. Measure the internal diameter of the ring in mm.
- 3. Select the diameter below to determine your ring size.
Emerald
Smaragdus · the green fire of the earth
Born of beryllium drawn upward through the roots of mountains, the emerald has bewildered jewellers and emperors for five millennia. From the desert mines of the Pharaohs to the Mughal ateliers of Jaipur, this stone has been a vessel for foresight, fidelity and rebirth. Within these folios, our masters at Birla Enterprise present the emerald as it has been kept — studied, set, and revered.
| Alternate Names: | Panna |
| Mineral Family: | Beryl |
| Crystal System: | Hexagonal |
| Mohs Hardness: | 7.5–8 |
| Specific Gravity: | 2.67–2.78 |
| Refractive Index: | 1.57–1.58 |
| Transparency: | Transparent to Translucent |
| Luster: | Vitreous |
Raw Mineral Specimen
Hexagonal beryl prisms emerging from a schist matrix — formed where hydrothermal veins met chromium-rich rock, deep within the Andes.
Raw Mineral Specimen 2
Hexagonal beryl prisms emerging from a schist matrix — formed where hydrothermal veins met chromium-rich rock, deep within the Andes.2
Technical Identity
| Scientific Name | Beryl, var. Emerald |
| Mineral Family | Cyclosilicate |
| Formula | Be?Al?Si?O?? |
| Crystal System | Hexagonal |
| Hardness | 7.5 – 8.0 Mohs |
Historical Significance
Ancient Civilisations
First mined in Egypt's Wadi Sikait, fashioned for pharaohs and offered to Isis.
Royal Treasures
Adorned the imperial regalia of Rome; favoured by Cleopatra and the Mughal courts of Jaipur.
Famous Collections
The Spanish galleons carried Muzo emeralds; the Mogul Emerald, 217.80 ct, inscribed with prayer.
Care & Preservation
Cleaning
A soft cloth with tepid water; never ultrasonic. The stone's natural fissures are best left undisturbed.
Storage
In a lined velvet case, segregated from harder gems. Avoid prolonged exposure to direct sun.
Handling
By the setting, never the table. Cotton gloves are advised for prolonged examination.
Origin & Formation
The emerald is a child of improbable chemistry. Beryllium and chromium rarely meet — yet in certain ancient tectonic seams, hydrothermal fluids carried them into communion, depositing the green crystals across some twelve nations. Each origin lends a signature: the velvety jardin of Colombia, the cooler clarity of Zambia, the cedar-touched warmth of Brazil.
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