Chrysoberyl Value, Price, and Jewelry Information
Although many gems show a cat’s eye effect, when the term “cat’s eye” is used alone, it always refers to the rare gemstone chrysoberyl.…
Hemimorphite Value, Price, and Jewelry Information
Massive hemimorphite can have a very delicate, blue color. However, it’s seldom cut because not very much has appeared on the market.
Alexandrite Value, Price, and Jewelry Information
Discover the rare and mesmerizing alexandrite gemstone. Learn all about the incredible color-changing properties, value factors, and origins…
Painite Value, Price, and Jewelry Information
Until 2001, only three painite crystals were known to exist. Since then, additional discoveries have produced many more specimens of this deep…
Papagoite Value, Price, and Jewelry Information
Cerulean blue papagoite crystals are too small for faceting. However, massive material mixed with quartz can be cabbed, while quartz crystals…
Brucite Value, Price, and Jewelry Information
Brucites are extremely difficult to cut. Although too soft for jewelry use, faceted pieces would be great additions to collections of rare gemstones.…
HUBERT JEWELRY
Fine and Unique Jewelry and Gemstones…
Brookite Value, Price, and Jewelry Information
Brookite usually occurs in very dark colors, transparent only in small fragments. Cuttable crystals are exceedingly rare, making attractive…
Triphylite (Tryphylite) Value, Price, and Jewelry Information
Triphylite is one of the world’s rarest gems. The IGS had the extraordinary privilege of examining a discovery of facetable material from Brazil…
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