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 of crystals and is dimorphous with the mineral senarmontite.INSTORE Clodius

And the answer is: VALENTINITE.

Congratulations to this month's Gem Quiz winner, Mark Clodius of Clodius & Co. Jewelers in Rockford, IL, who will receive a “Jewelry Geek” T-shirt.

Riffing on the inspiration for the gemstone’s name (the alchemist Basilius Valentinus), Clodius noted: “Our dog, Valentine, stopped an armed robbery at our store — a 'True Tail.' Woof!"

And Honorable Mentions to the following for providing the correct answer:

  • Annamarie Bara, Choose-Your-Gift.com, Chicago, IL
  • Irwin Blackberg, Ovadia Diamonds, New York, NY
  • Rachel Carver, Marks Jewelers, St, Lawrence, KS
  • Carly Clardy, Gem Garden, Manheim, PA
  • Sheila Cochran, The Karat Patch Jewelers, Mobile, AL
  • Kelly Dinan, All My Life Jewelers, Laconia, NH
  • Catherine Greig, Diamond Boutique, Del Mar, CA
  • Peter Hannes, Koehn & Koehn Jewelers, West Bend, WI
  • Ann Marie Hodrick, www.heartsdesirejewelry.com, Alameda, CA
  • Todd Huebner, Josephs Jewelers, Des Moines, IA
  • Shelly Isacco, Joden Jewelers, Grove City, PA
  • Kathy Jenkins, Bravo Jewellers, Carlsbad, CA
  • Rick McElvaine, Maxons Diamond Merchants, Springfield, MO
  • Yasuhiro Mori, Mori Bijoux, Utsunomiya, Japan
  • Babs Noelle, Alara Jewelry, Bozeman, MT
  • Chuck Pollak, Fast-Fix Jewelry and Watch Repair, Victor, NY
  • Shannon Prade, American Gem and Jewelry, Oceanside, CA
  • Kimberly Williams, Jewelers Bench, Kingwood, TX

Look out for our next Gem Quiz in our July 3 daily bulletin.

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