Crystal Rogers, 35, was supposedly last seen ... David Thompson – the man who Steven Lawson said had told Joey and Jeremy ...

alpha;-BBO ( α-BaB2O4) is a negative uniaxial crystal which has large birefringence over a broad transparent range of 190nm to 3500nm. α-BBO is an excellent crystal ...

If you’ve always wanted to get your hands, proverbially and literally, dirty on a real quartz dig, this is THE spot. Recently ...

CaF2 or Calcium Fluoride is a cubic crystal with an excellent transmission from 130 nm to 10 μm and has widespread applications as transparent windows in the ...