Fukang Meteorite containing Gem Peridot On April 30th Marvin Killgore offered the Fukang Meteorite with large gem like Peridot crystals for auction through Bonhams for an estimated value of close to $ 2,75 million. Six months before an auction of two rare and pricey meteorites had failed but there was hope that this meteorite would […]Continue reading »
Peridot Consumer Information
As provided and validated by various gemmological organizations, laboratories and the "World Jewelry Confederation CIBJO"
standard. Burmese gems are often marred by small platelet inclusions, which may give some stones a sleepy appearance. The strong birefringence (0.036) of peridot can also give stones a slightly sleepy look. This is most pronounced in large stones (10 ct and higher).
peridot is not very expensive cutters can focus on beauty more than keeping as much weight as possible. Well balanced gems that efficiently return color and light, together with crisp facet junctions, exact proportions and good symmetry are expected. On extremely rare occasions, a star peridot (sporting 4 rays) is reported.
cloth, or a soft bristle toothbrush is best to use when cleaning peridot jewellery. Collector gems: Locality, color and size are the most significant factors in particular 10 carats or above with saturated, slightly yellowish green colours. Gems from Zabargad (St. John’s Island) are particularly rare. Other localities producing excellent gems of significant size are Burma (Myanmar) and Pakistan.