Karnasurtite-(Ce)

General Information: Chemical Formula:(Ce,La,Th)(Ti,Nb)(Al,Fe+++)(Si,P)2O7(OH)4·3(H2O) (?) Environment:Zoned pegmatitic stock associated with other alkalic minerals. IMA Status:Approved IMA 1987 Locality:Vein No. 2, Mt. Karnasurt, Lovozero massif, Kola Peninsula, Russia. Name Origin:Named for the locality.Physical Properties: Cleavage:[???] Good Color:yellow, honey, or light yellow. Density:2.89 - 2.95, Average = 2.92 Habits:Metamict - Mineral originally crystalline, now amorphous due to radiation damage., , Hardness:2 - Gypsum Luster:Greasy (Oily) Streak:light yellowMore details...