Britholite-(Ce) / Allanite-(Ce) on MicroclineA 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

Virtually every Brookite crystal is undamaged

and a great representation of this extremely hard to find material

crystal size

prismatic crystals of Vivianite (some are actually doubly terminated

There are also a few classic “bent” crystals on the piece as well

a great Pyrite from this lesser-known locality in Bulgaria

The main focal point of the piece is the 1

Specimen# CO712B90

Joseph Baddeley

there are some small Cassiterite crystals that are actually “floating” inside the Quartz crystals

This particular piece is a superb quality Cassiterite from the standpoint of luster

with very little luster and a somewhat stalactite-esque growth due to the way the Quartz overgrew the preexisting Laumontite