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).
Fresh fruit in Japan is sometimes written seika (éæ) . The word aoi can also mean a hollyhock. In writing, this form of aoi appears in Japanese as hiragana ããã, or ããµã² in historical kana usage, and kanji èµ. Ao also appears in the name of Aomori Prefecture.