Blue Quartz (Generator Tip)Blue Quartz is a calming Throat Chakra stone that enhances creativity, communication, and self expression. It also helps in accessing communication in the spiritual and angelic realms. It is a powerful stone to protect from negativity, and its balancing properties help dispel fear. Size & Weight: Each piece is a one of a kind crystal, so Size and Weight will vary. Big: 8oo(g) approximatelyMedium: 500(g) approximatelySmall: 300(g)