From 18th Century France to 20th Century San Francisco, the Promise of the Rose Crystal both empowered and mystified Grace Moreau and her daughter Rose Wyndham. They fought for women’s rights, suffered prejudice and conspiracy theorists, and blazed their way through a male-dominated world to define their own roles in society. Through it all they poignantly resisted romantic desire, for if they fell in love the power of the Rose Crystal would be impotent and they - and their lovers - would