2023-06-05
From apm
Up: Logs
- Base materials with high potential – lazurite & perovscite - both cubic, abundant elements, decently hard
- Started adding a huge list of compounds/gems to the page about phosphorus
questionable use of time;
skimming wikipedias listing is still far from complete;
initiated by addition of turquoise which is harder than apatite the best known phosphate
(which is making up our teeth and bones and is forming green gems)