stau·ro·lite 
(stôrə-līt′)
(stôrə-līt′)n.
A brownish to black mineral, chiefly (FeMg)2Al9Si4O23(OH), often having crossed intergrown crystals and sometimes used as a gem.
[Greek stauros, cross; see stā- in the Appendix of Indo-European roots + -LITE.]
stau′ro·litic (-lĭtĭk) adj.
- pick someone's brain
- pick (someone's)brain/brains
- pick (someone's) brain/brains
- pick someone's brains
- pick (someone) to pieces
- pick someone to pieces
- pick to pieces
- pick up
- pickup
- pick up on
- pick-up stick
- pickup truck
- pick way
- Pickwickian
- picky
- picloram
- picnic
- picnicker
- picnicky
- Pico
- pico-
- Pico de
- Pico de
- pico de gallo
- Pico della Mirandola