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Gem Quiz

Here’s the Answer to February’s Gem Quiz




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 arcane than usual (the answer was the lesser known Clinozoisite), which meant fewer correct answers and more credentials behind those who did get it right. Our winner was Robb Arbour, GG, AJP, from Estate Jewelers in Toledo, OH. Well done. Robb. We’ll be sending you a Jewelry Geek t-shirt in the next week. And well done also to the following Honorable Mentions, who also got the answer right:

Helen Aldridge     

Helen B.      

Newport Beach, CA

Derrick Allen        


Graham Jewelers         

Wayzata, MN

Susann’s Custom Jewelers    

Corpus Christi, TX

Brenda Johannes Boyd         


Johannes Hunter         

Colorado Springs, CO

Heather Burleson         

Shelia Bayes Fine Jewelers   

Lexington, KY

Bryan Cavitt         


Images Jewelers

Elkhart, IN

Katie Dye   

J. David Jewelry

Tulsa, OK

Straith’s Jewelry 

Centralia IL

Jonathan Hart     

Karen’s Jewelers 

Oak Ridge, TN

Kim Hatchell        

Galloway & Moseley     

Sumter, SC

Gould’s Diamonds and Jewelry

Anoka, MN

Bravo Jewellers

Carlsbad, CA

Jake Joseph       

Josephs Jewelers         

West Des Moines, IA

Troy Lob     

Liberty Diamonds         

Irvine, CA

Karen Kuhn         

Arabesque Jewelers, Inc.      

High Ridge, MO

Rhonda Neary     

Diamond Design

St. John’s, Canada

Lee Read Jewelers

Meridian, ID

Kaitlyn O’Neill      

N.L. Shaw & Company          

Mystic, CT

Kathlene Seville  

Artisans Unlimited        

Bucyrus, OH

David Susong      

Facets by Susong        

Waterloo, IA

Jessica Sutherland       

Wixon Jewelers   

Bloomington, IN

Robyn Tapley      

Alexander and Lehnert Fine Jewelry       

Asheville, NC



Jimmy DeGroot

Be Ready for ‘What Do You Have for $100?’ and Other Holiday Questions

As Christmas approaches, the queries you’ll hear from customers are actually pretty predictable, says jewelry store training expert Jimmy DeGroot. Here's how to make sure your team is prepared for the more common ones.

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Gem Quiz

Here’s the Answer to November’s Gem Quiz

A Minneapolis gallery manager is our winner this month.




THE WINNER of our November Gem Quiz was Elaine Palmer, gallery manager at Stephen Vincent Design in Minneapolis, MN, who correctly deduced the gemstone was diaspore. Well done, Elaine (who, if you’re wondering, is wearing all Yossi Harari jewelry in this photo), and all those who made it to our Honorable Mentions list below.

Stuart Adelman
Artelle Designs
Plymouth, MN

Derrick Allen
Graham Jewelers
Wayzata, MN

Caroline Berrettini
Caroline W Berrettini Gemologist, LLC
West Hartford, CT

Jeff Briceland
Thom Duma Jewelers
Warren, OH

Sally Davis
Vierk’s Fine Jewelry
Lafayette, IN

Anna Crosby
Starblaze Jewelers
Tucker, GA

Dan Deans
Sterling, VA

Vilija Folger
Gem Zone
New Hope, PA

Dena Forte
St. Petersburg, FL

Steve Gallagher

Steve Glazer
Windsor Jewelers
Charlotte, NC

Jonathan Hart
Karen’s Jewelers
Oak Ridge, TN

Kim Hatchell
Galloway & Moseley
Sumter, SC

Anne Henderson
Henderson and Co Jewelers
Mechanicsburg, PA

David Hermann
Appraisals Fine Jewelry
Longwood, FL

Gary Hurdle
Casa de Oro
Corpus Christi, TX

Kathy Jenkins
Bravo Jewellers
Carlsbad, CA

Veronica Kelly
Mulloys Fine Jewelry
Carlsbad CA

Karen Kuhn
Arabesque Jewelers, Inc.
High Ridge, MO

Doug Lantz
MJ Harrington Jewelers
Hanover, NH

Rika Larson
The Collector Fine Jewelry
Fallbrook, CA

Troy Lob
Liberty Diamonds
Irvine, CA

Marissa Lockwood
Austin’s Fine Jewelry
Las Cruces, NM

Robert Lurie
Robert Lurie Jewellery Evaluator
Milnerton, Cape Town, South Africa

Patrick McNeill
Garwood’s Jewelers
Fort Collins, CO

Paula Morgan
Hollywood, FL

Steffanie O’Sulliva
Abbott Taylor Jewelers
Tucson, AZ

Phyllis Painter
Lesley Ann Jewels
Houston, TX

Brennan Richardson
Richardson Jewelers
Escanaba, MI

Karen Schmitt
Straith’s Jewelers
Centralia, IL

Abigail Simpson
Darvier Custom Jewelry
Fort Collins, CO

Noel Slack
G. Allan Jewelers
Minneapolis, MN

Katrina Sustachek
Rasmussen Diamonds
Racine, WI

Diane Thielker
Romm Diamonds
Brockton, MA

George Ward
Ward’s Jewelers
Bonsall, CA

Sherry Yarnal
Yarnal Jewelers
Castro Valley, CA

Robert Young
Robert Young Jeweler Extraordinaire
Belleair Bluffs, FL

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This Gem Is Like Quartz, but a Lot Wetter




If it weren’t for my high water content (anywhere between 3-20 percent), they say I’d basically be quartz. Which to me is like saying that if Lake Superior didn’t have water it’d be a prairie. Huh! A lake is a lake and quartz I am not. What I am is a soft, delicate, HYDRATED silicate of a certain healthy hue that is sometimes referred to as quinzite (and which yes OK, under some conditions can look like quartz).
Who am I?

Fill out my online form.

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Gem Quiz

There’s a Fungus Among Us, But It’s Definitely Not This Gem

Identify me to win a free t-shirt in INSTORE’s monthly contest.




I don’t blame René Just Haüy; he just wanted a Greek-inspired name that reflected the way I “scatter” when put to the blowpipe flame. Still, my name evokes images of toenail fungus in the minds of many. So it’s no surprise I’ve become better known by trade names such as csarite, ottomanite, turkizite, and zultanite, which play on my connections to the Anatolian Mountains, the only place I’m found in gem quality.

Who am I?

Guess this gem for a chance to win a “Jewelry Geek” T-shirt. Be sure to include your full name and the name and address of your store. The contest winner will be selected from among correct answers to this question.


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