 | | Book (edition) | | Z-axis which shows how, in the passage from the upper form to the lower, the silicon atoms are more symmetrically...Hopper faces in a quartz crystal (St. Gotthard, Switzerland) Furthermore, the external form of minerals...association of rutile crystals on hematite (Grigioni, Switzerland). 35 Examples of twins: (1 , 2) Interpenetrating...1472° F) Stibnite Melts in 525° 2. 3. Almandine Melts in C; gas flame but only slivers 4...listed in parentheses after the mineral class: Almandine, Silicates (nesosilicates, garnet group). A specific |  | | Book | | diffraction properties of plagioclase structures. The upper section shows the situation at or on quenching from...'l" " ./ .. ,t " 1000 ·r :/ ~\\yimiting region for e-plog. ~ .\~\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\~...(J-M) has been proposed to explain the peristerite region. The Huttenlocher intergrowth is represented by...e-plagioclase probably develops inside the hatched region for cooling more rapid than that responsible for...mainly from annealing in the central part of the region outlined by hatched lines in Fig. l.4b. It must |
|
