Dieses Buch gibt eine Einf hrung in die Edelsteinkunde und richtet sich an Mineralogen, Juweliere und Steinh ndler. Es beschreibt die Charakteristiken der verschiedenen Edelsteine und gibt praktische Hinweise zur Untersuchung und Bestimmung dieser. Johann Reinhard Blum bezieht sich hierbei auf ein lteres Werk des Prof. Dr. Reinhard Blum und aktualisiert es auf den neuesten Stand der Mineralogie.
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