Pinkish, fine-grained, massive tilasite (weak, dark red fluorescence) from the type locality. Associated minerals are yellow richterite and colourless to greyish svabite/johnbaumite (yellowish orange fluorescence).
BO_275
1 Item
Data sheet
Locality
Långban, Värmland, Sweden
Size category
Miniature
Size (cm)
4.5x4.5x2.5
Weight
79 g
Formula
CaMg(AsO4)F
Properties
Vitreous; fine-grained; pink colour; dark red FL in SW UV