I have read the article on Thomsonite and this appears to fall under the category of a pretty rare specimen. It is approximately an inch long (49.50ct; 9.8gr). Looking for opinions on what the fair market value of this item would be.
Hi See attached Beaver Bay agate shop sells Thomsonite pendants I have a web address and email address on the attached as well as some of their Thomsonite pendants
They should may be able to give you an idea