Back to question Answer 1 of 1
OronD
OronD Answered:

With a naked eye it is almost impossible.  To be 100% it is Gold one has to make an analysis (several ways to do it).  One can also rely on the producer's certificate (provided it is a well known producer with high crediability / trust).

Love is the battery of life....
Add a comment Add your own answer
Liked this answer? Tell your friends about it
Add Your Comment (or add your own answer)
Insert: