Biotite (Cross-polarized light)
Biotite (Plane-polarized lihgt, notice pleochroic haloes)
Biotite (Cross-polarized light)
Biotite (Plane polarized lihgt)
Sphene
Spinel
Staruolite (Plane polarized light)
Staruolite
Zoisite (Plane polarized light)
Zoisite (Cross-polarized light)
