Mother-of-Gold is a character in Brazilian folklore, very popular within the Southeast and Northeast regions of Brazil.
 
It has the appearance of a beautiful blonde woman with golden hair long reflecting the sunlight. It appears always dressed in a long white silk dress. In some regions, the mother-of-gold is also represented by a fireball that has the ability to turn this beautiful woman.

According to legend, the Mother-of-Gold has the ability to fly through the air, indicating places where there are deposits and gold should not be exploited by man. Thus, it is a kind of protective of these natural gold deposits.
 
There are also versions of the Mother-of-gold act as an advocate for women who are abused by their husbands. According to legend, the mother-of-gold attract married men to a cave, thus freeing their wives husbands and putting in the way of them good men.

PS:.Sorry for any error, I used Google Translate.