This fella is made using dip-anodized niobium scales. I did the anodizing myself, by hand, which is why no two scales are identical. I've achieved a nice tarnished green colour and texture that reminds me slightly of tarnishing copper.
Also has nice little brass horns that are clock hands. :)
Might offer niobium-scaled dragons for commission, but beware - niobium scales are almost $1.00 each BEFORE I anodize them. And anodizing takes a while when you're doing them one at a time.