Gemological Laboratory Services

• Magmatic vs metamorphic origin determination in sapphire

• Identification of copper-bearing (Paraiba type) elbaite tourmaline

• Characterization of emeralds to aid in origin determination

• Identification of N3 nitrogen aggregate and other defects in the diamond lattice

• Diamond treatment detection

• Identification of jade treatments (type B and C) and turquoise dye

• Determination of diamond type

• Diamond treatment detection

• Natural vs synthetic-detection in some stones

• Detection of fillers in emeralds, tourmaline, and other gems

• Identification of jade and turquoise impregnation

• Detection of heat treatment in corundum (ruby and sapphire)

• Distinguish between amber, copal, and imitations

• Accurate gemstone identification

• Identification of synthetic and treated spinel

• Identification of schist, non-schist, and synthetic emerald

• Identification of type B jadeite jade

• Defects in the diamond crystal lattice

• Lab-grown synthetic and natural diamond detection

• Identification of colored stones with impurities of chromium and vanadium

• Identification of synthetic and treated spinel

• Detection of fillers in emeralds and other gems