White to very pale pink tugtupite and white chkalovite/beryllite. The tugtupite displays a bright pinkish red fluorescence, the chkalovite/beryllite a strong greenish white in SW UV light, and a weak bluish white phosphorescence
BO_742
1 Item
Data sheet
Locality
Tunulliarfik north side, Ilimaussaq, Greenland
Size category
Miniature
Size (cm)
4 x 3.5 x 2.5
Weight
25 g
Formula
Na4(AlBeSi4O12)Cl
Properties
Vitreous/dull; bright red fluorescence in SW UV light; weak whitish phosphorescence