I love beads China

How can you tell if gemstone beads are genuine or imitation?

Red carnelian is treated with acid in which iron has been dissolved and then heated.Most blue sapphires are heat-treated yellow sapphires, often by the miners.

Although we are not gemologists at Rings & Things, and we don’t have fancy lab facilities or an X Ray Def machine in-house, we do use tried-and-true simple tests when we’re unsure about a batch of beads. When we receive unusually bright beads, or lovely even-colored beads strung on cord the exact same color, we put them in a bin of water for a few hours (or even weeks) to test if they are colorfast. We break occasional beads to see what color and/or texture is inside. We send out samples from metal suppliers for destructive assay to verify silver content and lack of lead or cadmium content. There is no equivalent testing facility for most gemstones sold as beads. The GIA (Gemological Institute of America) does a great job testing precious stones but they are not much help for inexpensive stone beads.

Manmade Hematite Beads and Pendants

We ask a lot of questions from our suppliers. We research on the internet and ask others in the gem and bead industry. We track new stones names on the gem forums (particularly mindat.org.)

We make mistakes, but when we discover we’ve used the wrong description or name we quickly change to the correct one and admit our error.

Editor’s note: One example is Thunder Agate:

Our first batch of Thunder Agate was sold to us as Lake Superior Agate (the official gemstone of the state of Minnesota), but a customer in Minnesota told us “…it would be very hard to get any large Lake Superiors and the colors are not those of our area”. So we looked closer, and questioned the vendor, who said the rough is from the Thunder Bay area of Ontario (which is close, but not quite the same as the official stone). So we immediately re-tagged our beads, and sent a corrected email.

All thePart of the problem with beads from China is language and culture. Chinese names are often descriptive rather than technically mineralogical. The characters for turquoise in Chinese mean “Green tree stone.” Anything that looks like “Green tree stone” might be called turquoise.

What can you do to avoid buying misnamed and misrepresented beads? Buy from dealers you trust and who can tell you about the material. Ask questions when you shop. Ask detailed questions. If you are uncomfortable with the answers or the prices, don’t buy. Do some of your own research with our or other sites and lapidary books.

Turquoise dyed magnesite beads Broken (and cut) magnesite nuggets showing both natural and dyed versions. Turquoise Beads

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