Synthetics and its Detection for Emeralds


Emeralds have been synthetically produced since 1848. However, only recently have synthetic emeralds been available of the market. The synthetic emeralds currently produced are so similar to true, natural emeralds that they are virtually indistinguishable by normal means.

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Introduction and History of Emeralds

Introduction and History
Emerald is derived from a Persian word meaning "green gem". It changed from Greek to Latin as smaragdus, then to esmaurde, esmralde, and in the 16th century to esmeralde.
Emeralds are ancient gemstones. According to the oldest book in the world, the Papyrus Prisse, "But good words are more difficult to find than the emerald, for it is by slaves that it is discovered among the rocks."

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Gemmology of Emeralds

Chemistry and Crystallography
Chemical Composition Be3Al2SiO6
Crystallographic System Hexagonal
Fracture Lustre  

Physical Characteristics

Hardness 7.5 to 8
Toughness poor to good
Specific Gravity  

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Emeralds from Zambia

Zambia - Miku deposit, near Kitwe (S.G.=2.75; R.I.E=1.583, R.I.O=1.590)

  • Once a major producer;40% of all emeralds sold in U.S. in 1989 where from this source.
  • In schists adjacent to pegmatites; can contain tourmaline and biotite inclusions.
  • Excellent clarity, but often darker, with a more noticeably bluish cast that Colombian emerald.
  • Source of significant production in 1980's; has redefined notion that best emeralds are invariably included.

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Emeralds from USA

North Carolina

Who are we?

The Geohavens name is an assurance of timeless beauty, distinct quality and uncompromising value. The Company spares no effort in sourcing from the farthest markets and the deepest mines in order to unearth the most attractive gems.

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