Britholite-(Ce) / Allanite-(Ce) on Microcline October birthstone and in his communication with

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

The quality of the Cassiterites on this specimen is outstanding

Several classic

caddisfly (Trichoptera)

the crystal contains a fantastic internal black "phantom" running from the tip of the termination to the base

Britholite-(Ce) / Allanite-(Ce) on Microcline October birthstone and in his communication withA rich specimen, and a great representation of this extremely hard to find material. This specimen was personally collected by my father, Richard Kosnar, on April 15, 1973. It features brownish areas of the uncommon phosphate, Britholite (Ce) associated with greenish grey Trnebohmite (Ce) which are covered on one side by a dark band of Allanite (Ce) with so called pinkish tan Cerite and pinkish Microcline. The specimen was analyzed by Gene Foord years