β¨ππβοΈπ« Pls join us on April 12th to have fun πΆπ₯ & support the American Museum of Natural History ! πππ #AMNHMoonDance
You may know that the Moon causes the oceanβs tides, but did you know that the Sun affects ocean currents? Learn about our planetβs relationship with our star at Sun-Earth Day βοΈπon March 24βmeet scientists, look through telescopes, and more! https://t.co/yGOrHQJYNO
The Star of India is 563 carats & some 2 billion years old! Rutile, a mineral in the gem, gives it that milky quality & star effect. Tiny fibers of rutile in a 3-fold pattern reflect incoming light in the star pattern. This effect, called asterism, makes this gem a true star.