Lonsdaleite is also known as "hexagonal diamond." It has an index of refraction from 2.40 to 2.41, a density from 3.2 to 3.3, and a hardness of 3.00.
... (Moscow, Idaho)
University of Michigan (Ann Arbor, Michigan)
University of New Orleans[?] (New Orleans, Louisiana)
University of North Carolina System:
North Carolin ...
Buy Halloween Costumes
Kids.Net.Au - kids safe portal for children, parents, schools and