Emeralds (Beryl) Weight: carats and carats Crystal structure: hexagonal Composition: Beryllium aluminium silicate Mohs

---

Emeralds (Beryl) Weight: carats and carats Crystal structure: hexagonal Composition: Beryllium aluminium silicate Mohs hardness: Emeralds are rarely flawless - cracks and inclusions, making the stone look cloudy, are common Birthstone for May Also used to commemorate the 20th, 35th or 55th wedding anniversary.

---

Size: 4625px × 3083px
Location: United Kingdom
Photo credit: © Derek Anderson / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aluminium, beryl, beryllium, birthstone, cabochon, cloudy, cracks, crystal, emerald, gem, gemstone, green, hexagonal, inclusions, mineral, silicate, stone