Fluorbritholite (Ce) 5.13 ct.

Fluorbritholite (Ce)

is a silicate with rare earth element ,formula is (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F) and hardness of 5. Some Allanite (Ce) may be present in small quantity.For more information about composition check : http://webmineral.com/data/Fluorbritholite-%28Ce%29.shtml#.VArUZ0g0DbI

This material is moderately radioactive and it is found in the Rusty Gold Mine,Jamestown,Boulder County,Colorado.

Size:8.4x10.5x6.1 mm.

Weight:5.13 ct.

CODE#4730