Found stuffed in a (metaphorical) drawer somewhere
Everyday stars:
tin star -- for performing maintenance tasks
nickel star -- for performing lingering maintenance tasks/chores
iron star -- for everyday errands/miracles
steel star -- for exceptional everyday miracles
soapstar -- for keeping up on hygiene
Avoidance stars:
brass star -- for avoiding things you should avoid
bronze star -- for avoiding *really tempting* things you should avoid
copper star -- for giving up a bad habit (given on anniversary)
Achievement stars:
silver star -- for completion of a small quest-type task
electrum star -- for completion of a mid-sized quest-type task
gold star -- for completion of a huge quest-type task
iridium star -- for completion of a once-in-a-lifetime task
Special-purpose stars:
platinum star -- for saving huge amounts of money
titanium star -- for exceptional deeds requiring durability
neon star -- for ostentatious deeds
fuzzy star -- for comforting someone
crystal star -- for helping someone through insight
opal star -- for helping yourself through insight