# Crystallised Minerals [View the canonical artwork record]() ## Artwork - Artist: [LEROY DE BARDE, Alexandre-Isidore]() - Date: 1801-1850 - Technique: Watercolour and gouache on heavy paper, 126 x 80 cm ## Commentary This work shows several specimens from renowned English collections and from the collection of Jacques-Louis de Bournon \(1751-1825\), who had emigrated with Leroy de Barde in 1794 and later became director of the mineralogy collection of Louis XVIII. Among the minerals featured: in the lower left a piece of malachite and several stones from Siberia; and in the upper left a specimen of aventurine found in the ruins of the arch of triumph of Julius Caesar at Susa in the Piedmont. ## Related artworks - [Selection of Shells Arranged on Shelves]() ## Attribution [Web Gallery of Art]()