Emerald is the green to greenish blue variety of the mineral Beryl. Top fine quality Emerald Gems are even more valuable than diamonds.

Emerald is the green to bluish green variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors. Gem experts differ on the degree of green that …

Emeralds are formed when chromium, vanadium, and iron are present in the mineral beryl. The varying presence of these three elements gives emerald its range of color.

Emerald is the green variety of the mineral beryl. (Beryl also includes aquamarine.) There are small amounts of certain atom s that make the emerald bluish-green to green. The age of the …

Emerald is the most famous member of the beryl family. Legends endowed the wearer with the ability to foresee the future when emerald was placed under the tongue, as well as to reveal …

Jul 25, 2014 · Figure 1. An 88.4 g emerald crystal from Coscuez, Colombia. Photo by Robert Weldon/GIA; courtesy of the Roz and Gene Meieran Collection.

Aug 11, 2025 · Emeralds are a variety of the mineral beryl, which is composed of the elements beryllium, aluminum, silicon and oxygen. Ranging from vibrant bluish greens to luscious deep …

Emerald is 7.5 to 8 on the Mohs scale and has fair to good toughness, making it a stone that requires more care in wearing than ruby or sapphire. Even so, emeralds are beautiful stones …

Jul 25, 2014 · Over the past 50 years, the observation of inclusions in colored gemstones, particularly emerald, has become an essential foundation for identification, quality analysis, …

May 6, 2019 · Chemical data for oxygen isotopes obtained from historical emerald artifacts reveal the material originated from deposits in present-day Egypt, Pakistan and Austria, but since the …