Gemmology
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Library


Currently there are 283 bibliographical references and abstracts to publications with gemmological or mineralogical thematics in the ‘Library’. The section comprises also a glossary with 391 terms.

Publications


Glossary
tsavorite — variety of grossular; see tsavorite in ‘Classification’
tuff — a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption
turquoise — species of mineral; see turquoise in ‘Classification’
ultramafic rockigneous and meta-igneous rock with a very low silica content (less than 45%), composed of usually greater than 90% mafic minerals

All terms