Zircon var. Cyrtolite, Thorite-(Fe): Butterfield Pegmatites, Pine, Jefferson County, Colorado, USA

Species: Zircon var. Cyrtolite, Thorite-(Fe)
Locality: Butterfield Pegmatites, Pine, Jefferson County, Colorado, USA
Dimensions: 11.4 x 8.2 x 2.7 cm

Ex. George Kamin Collection

Large, well-crystallized specimen of Zircon var. Cyrtolite with Thorite-(Fe) from the Butterfield Pegmatites, Pine, Jefferson County, Colorado, USA. Exceptional large specimen of these unusual REE and Th minerals from this now-closed locality. From the noted collection of physicist and engineer Dr. George Kamin of Arcadia, California. Rare!!