f7c8b9fe_king___White_Metals_and_Alloys__Further_evidence
[Reaction on Streak] No dissolution, some reddish coloring [Possible Alloy] white gold with less than Au 500 [Further evidence] 
labratory analysis
s i l v e r t e s t
l a b r a t o r y a n a l y s i s
p l a t i n u m t e s t
[Ganoksin] Jewelry Making - White Metals and Alloys