Active lava flows at volcanoes might move several feet per minute when hot. As the lava flows cool, they slow down to a rate of only a few feet per day. Geologists in Hawaii keep a close watch on active lava flows. They use handheld global positioning system (GPS) receivers to map lava flows as accurately as possible.
Libra, Aquarius, Gemini. Religion & Spirituality. Air is the element of the mind, and airy types know that everything begins with an idea. These are the idea people, who breeze in and offer a fresh perspective on the situation at hand.
Birthstones. Planetary Gemstone. Zodiac Gemstone. Signs of the Zodiac. May 21 - June 20. Gemini is the Latin translation of the Greek Didymoi, the Twins.. Gemini has an abundance of intellectual energy. This energy must be expressed and they seldom suffer in silence. Gemini is charming and life is more interesting and beautiful with them around. Gemini can make quick changes in any aspect of life.