Red crystals to 4mm with characteristic triangular cross-sections scattered throughout K-spar amazonite matrix. Danalite, is beryllium bearing, and found typically in tin-beryllium skarns, but also found in NYF style pegmatites as is this occurence.
Danalite
Formula
Be3Fe2+4(SiO4)3S
Crystal System
Isometric
Crystal Habit
Massive
Cleavage
Indistinct, None, None
Luster
Vitreous - Greasy
Color
brown, brownish black, grayish yellow, pink, reddish brown