Diamond, the hardest recognized natural content, can be a transparent carbon crystal. Diamond is famed not only for its exceptional hardness, but in addition for its significant refractive index and dispersion.Pearls are products of bivalve mollusks (primarily oysters and mussels). They can be designed up of nacre, which is especially calcium carbo

The preservation of a tusk is additionally about understanding the Tale in the mammoth and one other megafauna with the Pleistocene.  The Paleontologists, geneticists, and lab techs assistance to inform the story, fact or theory.Minerals that share the same chemistry but have distinctive crystal buildings are known as polymorphs. Polymorphous pai