Oysters - One of the best sources of zinc. Zinc is a key mineral which helps the cells which are designed for building hairs. Also oysters a great source of protein. Eggs - Rich in protein and are a natural source of Biotin which is known to strengthen hair and is a well know supplement which helps with beard growth.
Thus, if the spot price of gold is $900 per troy ounce and there are about 31.10 grams in a troy ounce, then the math is follows: $900 x 1 ounce/31.10 grams = $28.94/gram. To find the value of jewelry:
Unfortunately, pure gold is typically sold by the ounce while karat jewelry (kt.) is usually sold by the gram. Thus, we have to convert ounces to grams to find out the cost of the gold in a particular piece of jewelry. One troy ounce equals 31.1 grams. If pure gold is selling for $1700 per ounce in the metal markets, then one gram is going for $54.66 ($1700/31.1g).