Search
Now showing items 1-2 of 2
The Distribution of Hydrous Impurities in Quartz : The Role of Twinning
(2018-04)
Quartz crystals have been studied since ancient times by scientists and natural philosophers
attempting to unlock the mysteries behind their aesthetic appearance and cryptic morphological
properties. Previous studies ...
Color Variation in Gemmy Amethyst : The Role of Contaminant Diffusion
(2018-04)
The role of contaminant diffusion purple quartz, otherwise known as amethyst, is commonly known
for its occurrence as clusters of gemmy crystals that grow on the walls of fluid-filled fractures and
vugs in hydrothermal ...