Chrysocolla Chalcedony Value, Price, and Jewelry Information
Marketed as “Gem Silica” this relatively rare, blue to blue-green, opaque to near transparent material is the most expensive type of chalcedony.…
Tiger’s Eye Value, Price, and Jewelry Information
Crocidolite, (blue asbestos,) alters to quartz, but while retaining its fibrous structure. This material is frequently stained by iron, giving…
Carnelian Value, Price, and Jewelry Information
The best-known and generally least expensive variety of chalcedony is carnelian. It ranges in color from yellow-orange to rich, near reddish…
Underkarating Fraud in the Jewelry Trade
Underkarating is a fraudulent practice whereby a jeweler represents a piece of jewelry or gold as containing more precious metal than it actually…
Relationship Between the Price of Gold and the Price of Your Jewelry
Understanding how the price of an underlying jewelry metal, such as gold, impacts the price of your finished jewelry.
Skin Discoloration by Gold and Other Jewelry Metals
Why your skin gets discolored by certain jewelry metals, and what you can do about it.
Zunyite Value, Price, and Jewelry Information
An overview on Zunyite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Zunyite…
Zincite Value, Price, and Jewelry Information
Zincite is a very rare mineral. It’s also difficult to cut, which makes faceted zincite one of the rarest of all gems. However, “accidental…
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