As a christmas present, I bought a box of minerals/rocks for my girlfriend, who recently got interested in geology. Unfortunately, she could not attend the identification class in university. The box contains:
rock crystal (quartz)
I have found some identification flowcharts such as
But that is missing, among others, magnesite, the various quartz variations and obviously doesn't contain the non-minerals.
I'd like to put together a flow chart so she can identify all those materials. How would one go to identify those rocks and minerals, in a flow-charty-manner?