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).
Eligibility and conditions: - Residence must live outside Japan (Proof required) - Star Alliance Japan Airpass require International travel to/from Japan must be on Star Alliance Carrier: : - Visit Japan fare require International travel to/from Japan must be on any Carrier. - International air fare must be Round Trip, Circle Trip or Open Jaw (Return to country of origin. USA & Canada are considered one country.) The journey must be to/via Japan from outside Japan.