- Muscovite, Microcline, Quartz (Var: Smoky Quartz)
- Cabinet, 10.3 x 5.4 x 4.8 cm
- Papachacra, Belen Department, Catamarca, Argentina
A lustrous, 2.5 cm, muscovite book is the highlight of this fine cabinet plate of very sharp, lustrous, cream-colored microcline crystals with a scattering of smoky quartz crystals from recent finds in the Andes Mountains of Argentina. The 2.5 cm, smoky quartz in the front is doubly terminated.