Gem Focus January 2022: Mother of Pearls
A practicing gemologist should be aware of many imitations and treatments of mother-of-pearl, despite its abundance and inexpensive existence in the market.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus December 2021: Hydrogrossular Garnet
Hydrogrossular Garnet; a lesser-known garnet species better known by its trade names.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus November 2021: Keshi Pearls
considered a divine gem. Natural pearls were so rare that they were only owned by royalties, even the tiny ones were utilized both in jewelry and on clothing.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus October 2021: Prasiolite
Prasiolite: The least understood variety of quartz. The idea of “common” might discourage gaining further knowledge about a gemstone. The quartz group gems, as common as they are, seem to be the least understood not only…
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus September 2021: Meteoritic Gems
Meteorite collecting requires quite a specialized understanding of structures of other planetary objects and stars in our galaxy.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus August 2021: Coral
Coral, especially the red to pink type, has been used as an ornamental gemstone both in jewelry and intricate carvings. Strangely, the word “coral” does not have an established taxonomic meaning but is instead broadly used to define for any organism that grew attached to the sea floor.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus July 2021: Danburite
The color of the year announcement by Pantone is an exciting concept for gem professionals. What gemstones can be matched with these colors? How popular would they be? The colors of 2021 “Illuminating” and “Ultimate Gray” create a jewelry-friendly combination.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus June 2021: Fluorite
Brightly colored crystals of fluorite, a.k.a., fluorspar, in large sizes have been a prized possession of mineral collectors for hundreds of years. This calcium fluoride mineral was first named by Carlo Antonio Galeani Napione in the late 18th century. He was inspired by the Latin word “fluere” meaning “to flow" because the mineral is used as a flux in iron smelting for industrial purposes.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus May 2021: Feldspar
Gem quality feldspar species are more commonly sought as collectors’ stones and seldom for jewelry since they are not very durable. They tend to be colorless, light yellow, sometimes gray. The unusual variety of microcline feldspar, which displays an attractive greenish blue color is called amazonite.
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus April 2021: Pyrite
Value of pyrite is as diverse as its use. While pyrite crystal specimens or pyritized fossils from famous localities would fetch thousands of dollars, small faceted pieces or beads would be sold in bulk for a few dollars only. Naturally, any custom jewelry piece would be valued based on the design and the designer, not the pyrite itself.
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