SOME ADVICE ON CHOOSING AND BUYING USED MICROSCOPES by James McHone of Stones2Gems .Polarizing and brightfield microscopes have been important tools in my geological research and teaching for the past 40...
Jadeite jade is a very porous stone . It comprises of very minute granules of monoclinic crystals inter-locked against each other. This creates a lot of 'spaces' and 'pores' in between the crystals whereby...
SOME ADVICE ON CARING FOR MICROSCOPES by James McHone of Stones2Gems . Here are a few bits of advice that during my teaching years, I provided to my students in geology courses (petrology, petrography,...