This month’s gem quiz winner is Robb Arbour of Estate Jewelers in Toledo, OH. And congratulations to our winner. February’s gem quiz was a bit more...
I was once one of those minerals most aptly described as “of interest to collectors only,” but recent scientific research has found uses for me as...
And congratulations to our winner. Gary Hurdle, sales manager at Casa de Oro in Corpus Christi, TX, is the winner of January’s Gem Quiz. Gary crushed...
All gemstones send different tales from the center of the earth; mine has to do with how I occur (very sporadically) in marble formed when granitic...
And congratulations to our winner. Derrick Allen, the winner of our latest Gem Quiz, admits the stone in question had puzzled him long before he picked up the...
Imagine the shock. For millions of years we thought we were one and the same … until that fateful day in 1803, when the formidable rock...
And congratulations to our winner. It’s always great to have a winner who also happens to love the gem in question. And that was the case...
And congratulations to our winner. Congratulations this month to Shevvy Baker, owner of SPB Designs in Louisville, KY, who correctly deduced that the answer to our October...
I am the Jay Gatsby of colored gemstones. A humble brown stone from the poorest continent on earth with an odd, almost extra-terrestrial sounding name, I...
Congratulations this month to Ely Pisco at Panowicz Jewelers in Olympia, WA, who correctly deduced that the answer to our September Gem Quiz was black spinel. “Great...
It’s summer, and thoughts typically turn to a certain slurp-inducing natural treat. I come in more colors than pink and green — indeed my gemological family...
And congratulations to our winner. For our July Gem Quiz, we described a “gemstone that tells a prehistoric tale.” We noted that it often has a spiraled form...
And congratulations to our winner. For our June Gem Quiz, we described a “rock nerd’s rock.” We noted that it is highly lustered, forms in sprays...
I was discovered in France in 1845 and named after a fabled alchemist from the 15th century who was supposedly the first to identify the properties...
And you think the diamond in your engagement ring tells a story! Look deep into my often spiraled form and I’ll tell you who traveled where,...
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