Just because the gold you have is not unrefined does not mean it is not valuable. You may not always find refined gold but the good news is that there are refiners who can do the work. Be careful who you choose as your refiner because the product is too precious for you to lose. You might be having a lot of names when it comes to gold refiners but you have to look beyond the obvious in knowing the best person to work with. You need to ask the person the time it will take for the work to be done. It can take a few days to week. With gold that has high purity level, you do not expect the work to take weeks. Anyone who promises to be done with processing of a lot of unrefined gold in a day should not be trusted easily because the work might be done halfway. You have to keep your eyes open and be more involved in every process so that you will not end up paying high for the services. Ask about every charge that goes into the bill before you agree to the process. Ensure you have a written price estimate before you bring your product to the professionals. Do not fall to the flat fee deals because most of the time they will not hold.
There is the question of whether you will be getting your original material back after refining. You should not expect to get the gold you took there. It will not be economical to process your package only especially if it negligible but rather it is combined with others and processed. Nevertheless, do not confuse this to mean the product you submitted will be decreased or increased when you are getting the refined product. There is no question of whether or not you will get a pure product but you should not expect it to be strictly from what you delivered.
Not all gold that is mined in various places in the world will hold the same value. This is why you should insist on knowing about the analytical methods your refiner uses. For gold, the standard method for use in value determination is the cupellation also known as fire assay. Do not be too trusting in terms of the assay because even the loss of one gram might be too big of a loss and you need to get some of your product to be analyzed by someone else just to confirm the assay results. No one should make you feel bad about that. Make sure you are aware of the methods used in resolving disputed assay results by the refiner before you get too deep and you can click here for more information.