Feng shui crystals, for its entire oriental connotation has similar uses in many other parts of the world. It was used in ancient times for its healing qualities. A myth even extends its usage in Atlantis. Americans Indians use it for healing, the aborigines has similar uses for it. The Europeans use it for trade and if that were not enough, it could serve as a very good accessory to casual attire in place of the more expensive gemstones. Do not be bothered when black is considered a lucky color because black stands for depth, justice and seriousness. Whatever negative connotation it has can be balanced with other colors to absorb whatever is negative in the chi. Combine also with fans and crystals. The friendship zone is also your helpful people zone. Never let air openings be closed for long periods at of time, as this will prevent the chi from entering the house. Keep toilet doors closed even when they are very clean. Keeping objects displayed in the house that makes you feel aggravated should be discarded. In fact, get rid of things that you do not use. As bedrooms are places of rests, it is not wise to make rooms, decorations, sheets etc. to be brightly colored. Muted colors are preferred. Some aspects of these though could be changed depending on the personality of the occupant and which side of the character needs to be augmented. The general rule though is not to make the room appear neither too yin nor too yang. Neither too ideal nor too religious as to place these precepts above the now and the real life, as they know it, they have better ability to conform more naturally to their environment. While the west builds high walls around them and calls these as living spaces, the Orientals never feared the allure of the wild. You would not want this portion to be dull. When the light is not enough, a Feng shui mirror could help. The southeast portion is the area of careers. A rectangular light represents development and growth. If it will be awkward to place a rectangular mirror on the wall, why not try a rectangular Feng shui mirror.