Gypsum (CaSO4.2H2O) is very similar to Anhydrite (CaSO4). The chemical difference is that gypsum contains two waters and anhydrite is without water. Gypsum is the most common sulfate mineral. Gypsum wallboard and plaster: Wallboard and construction plaster are the primary industrial uses of gypsum in the United States.
Hoshi (æ) is a Japanese word which means star. It is also a surname. Hoshi (ä¿å¿) is a Japanese surname with a similar pronunciation. HÅshi (æ³å¸«) is unrelated to the preceding words, and pronounced differently. It is a technical term in Buddhism (see below).
Raijin (é·ç¥) is a god of lightning, thunder and storms in the Shinto religion and in Japanese mythology.His name is derived from the Japanese words rai (é·, thunder) and god or  kami  (ç¥, shin) .his kind of syncretism is not unusual in Japan, even after the Buddha-kami separation order. The iconography of the Raijin and Fuujin gods has been heavily influenced by Buddhist art, itself influenced by Greek and Indian art.