Specimen of fluorite, tourmaline, beryl and K-feldspar 
Specimen of fluorite, tourmaline, beryl and K-feldspar
Custodian: University of Glasgow Hunterian Museum and Art Gallery
Reference: GLAHM 111690
This geological specimen includes green cubic crystals of fluorite, with tourmaline or schorl and pale blue beryl, all on a K-feldspar crystal.