
The oldest lens in the world (or is it?)
Tucked away safely in the archive of the British Museum is a nondescript piece of rock crystal. It’s oval in […]
Mineralogy

Tucked away safely in the archive of the British Museum is a nondescript piece of rock crystal. It’s oval in […]

This is a great site for anyone who in interested in geology or meterology. I came across this site in […]

Petrography is the branch of microscopy used in geology/mineralogy. It is used to examine the composition of rock and mineral […]