Some other classification schemes may place svanbergite in the Phosphate Class however. Luster is vitreous to adamantine. Specimens are mostly translucent to small crystals being transparent. Crystal System is trigonal. Crystal Habits include pseudocubic rhombohedrons and modified rhombohedrons.
Faces tend to be curved and striated.
Hardness is 5. Streak is white. Associated Minerals include pyrophyllite , kyanite , quartz , topaz , tourmaline , hematite , andalusite and woodhouseite . Best Field Indicators are crystal habit, striations, color, hardness and locality.