Mineralpedia Details for Agrellite

Agrellite

Formula: NaCa₂Si₄O₁₀F
Crystal System: Triclinic
Crystal Habit: Lath
Cleavage: Perfect, Perfect, Poor
Luster: Vitreous - Pearly
Color: white, grayish white, greenish white
Streak: white
Class: Triclinic - Pinacoidal
Hardness: 5.5
WebMineral: View Agrellite
Mindat: View Agrellite

Agrellite from Kipawa alkaline complex, Quebec, Canada

Special Info: Fluorescent,Type Locality

Platy & pearly silvery white compact crystalline matrix of mostly Agrellite, This is the type locality for this sodium rich silicate. As the locality name implies, it is a sodium rich environment. Also contains red crystals of Eudialyite, brown Britholite and Aegerine.