Opal-AN (Hyalite Opal) Topaz and in his communication with

and in his communication with my father mentioned that “Cerite” on the piece may actually be Bastnasite

I acquired just a few of these specimens in 2011 and I honestly thought them to be a common and unassuming associated species i

This small miniature specimen features hundreds of sharp

somewhat gemmy

and certainly worth picking up if you are a collector of San Juan minerals

Opal-AN (Hyalite Opal) Topaz and in his communication withA beautiful specimen of Hyalite Opal (now properly called Opal AN) that started trickling out of central Mexico at the end of 2013 according to reports. Typically, Hyalite is colorless and not terribly eye catching, but these new Mexican specimens have really given collectors an amazing impression of how fine and attractive this material can be. With that said, this piece shows a lovely greenish yellow hue in indoor lighting, but it gets better. If