What is the Massachusetts Official State Gem Stone?

Massachusetts Treasures:
Official State Gem Stone of Massachusetts
By HF Guest Blogger, Maria Sansalone

Thanks so much to everyone who contributed entries for Week One of the Connecticut Valley Mineral Club’s geology contest, good for two free adult admissions to the “Western Mass. Mineral, Jewelry, and Fossil Show,” coming up March 26 and 27, 2011. We invite you to join in for Week Two. Are you ready for your next contest question? 


This week, your “question” is a Word Scramble!


Here are some clues:

… I am the Official Gem Stone for the State of Massachusetts … According to Merriam-Webster’s Collegiate Dictionary, Eleventh Edition, my name comes from the Greek word rhodon, which means “rose” … I am often confused with another pink to red mineral, whose name also ends in “ite,” rhodochrosite …

We’ve included an enlarged photo of this week’s mystery gem stone from the Connecticut Valley Mineral Club’s Massachusetts Mineral School Display Kit.

Deadline to enter to win is Monday, March 21st at 12pm (EST). Must include full name, town and an accurate email address to be eligible to win. Name of winner will be posted below with directions on how to claim your tickets.


Notice in our Club’s photo that we’ve labeled the gem stone with its name and site of collection, and we displayed the stone both in its natural form as a rough specimen, and in finished form as a cabochon pendant, crafted by one of CVMC’s lapidary artists. When you collect, make sure you note the date of collection, the name of the specimen, and the location the specimen is from. And be sure to document the stone’s “provenance,” which simply means recording the name of the previous collector and the collection years your stone comes from. After all, if Benjamin Franklin exhibited your stone in 1776, that’s good to know!

Best of luck to this week’s contest participants! We’ll see you next week for our third and last guest blog installment and contest question!

The Connecticut Valley Mineral Club promotes responsible rockhunting. Always ask permission to walk private lands and take only photographs, not samples, of protected geological formations. CVMC meets most months at the Springfield Science Museum in Springfield, Massachusetts. For more information, feel free to visit our website: www.cvmineralclub.org.


Maria Sansalone

Maria works as the primary cross-reference editor for Merriam-Webster Inc., in Springfield, Massachusetts. She and her team have cross-reference checked every dictionary entry for the last two editions of Merriam-Webster’s Collegiate Dictionary. Her personal life revolves around the work that she does in memory of her son, William, for two family-oriented nonprofits in western Massachusetts: Griffin’s Friends Children’s Cancer Fund at Baystate Children’s Hospital, and the Connecticut Valley Mineral Club. It was the desire to learn from experienced collectors about New England’s minerals on behalf of kids on treatment that led her and her husband to join the CVMC community.

7 Comments on “What is the Massachusetts Official State Gem Stone?

  1. Congratulations to Chris Curtis of South Hadley! Chris has won two free adult admissions to the “Western Mass. Mineral, Jewelry, and Fossil Show,” coming up March 26 and 27, 2011. Please contact us at hilltownfamilies@gmail.com for details on how to claim your tickets!

  2. That would be Melissa Adams, from Williamsburg. Thank you.

  3. my 10yo who is studying Massachusetts State History says it is Rhodonite and the state rock is Roxbury Pudding Stone.

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