science, mineralogy, tourmaline, rock crystal with intergrown tourmaline, Mineralogical Collection, Munich, gems, gemstone, mineral, minerals, 20th century, historic, historical, Additional-Rights-Clearences-Not Available

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Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, century, collection, crystal, gems, gemstone, historic, historical, intergrown, mineral, mineralogical, mineralogy, minerals, rock, science, tourmaline