This appealing gem variety does shine with a cool lunar light but it is the mineral feldspar, quite terrestrial in origin. The shimmer, which is called schiller or adularescence, is caused by the intergrowth of two different types of feldspar, with different refractive indexes. Moonstones come in a variety of colors. The body color can range from colorless to gray, brown, yellow, green, or pink. The clarity ranges from transparent to translucent. The best moonstone has a blue sheen, perfect clarity, and a colorless body color. Sometimes moonstone will have an eye as well as sheen.
Deborah Tannen is University Professor and a professor of linguistics at Georgetown University in Washington, D.C. She is the author of 15 books, including You Just Donât Understand: Women and Men in Conversation (William Morrow, 1990), which introduced to the general public the idea of female and male styles of communication.
Tarja Halonen, (born December 24, 1943, Helsinki, Finland), Finnish politician who served as president of Finland (2000â12), the first woman elected to that office. As a student at the University of Helsinki, Halonen served (1969â70) as social affairs secretary and general secretary of the National Union of Finnish Students.