Fab little Arfvedsonite/Astrophylite Cubes.... aka Firework stone, these have little bits of garnet in it too and are completely gorgeous. 

Astrophyllite, as you can see is more chocolate brown with golden copper acicular “needles” as opposed to Arfvedsonite's dark brown/black matrix with blue flashes/ needles

Approx 3.5x3.5cm each £6.95 

Arfvedsonite cube

£6.95Price