TY - BOOK T1 - On the Al₂SiO₅ triple point and the natural occurrence of two Al₂SiO₅ polymorphs under the same P-T conditions DA - 1992. CY - Reston, VA : CY - [Denver, Colo. : AU - Hemingway, Bruce S. VL - 92-298 CN - I 19.76: PB - U.S. Geological Survey ; PB - Books and Open-File Reports Section, distributor], PP - Reston, VA : PP - [Denver, Colo. : PY - 1992. N1 - Cover title. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 93-0068-M. ID - 199896 KW - Cyanite KW - Andalusite KW - Sillimanite KW - Silicates TI - On the Al₂SiO₅ triple point and the natural occurrence of two Al₂SiO₅ polymorphs under the same P-T conditions ER -