Geology: various uncut semi-precious stones. Coloured lithograph by H. Sowerby after himself, 1851. https://www.rawpixel.com/image/13958040/image-person-art-public-domainFree Image from public domain licenseMelon-Shaped Snuff Bottle with Trailing Leaves and a Butterfly https://www.rawpixel.com/image/8956823/melon-shaped-snuff-bottle-with-trailing-leaves-and-butterflyFree Image from public domain licenseGiant statue in temple of the emerald background. Free public domain CC0 photo. https://www.rawpixel.com/image/6030888/photo-image-background-public-domain-artFree Image from public domain licenseDesign for a Chair Back Cover with an Ornamental Frame Formed by a Garland of Leaves and Flowers with an Interlacing Ribbon… https://www.rawpixel.com/image/9614045/image-magenta-pink-bows-antique-patternFree Image from public domain licenseGreen emerald diamond set ring. Free public domain CC0 photo. https://www.rawpixel.com/image/6025457/photo-image-public-domain-green-black-backgroundFree Image from public domain licenseGreen emerald diamond set ring. Free public domain CC0 photo. https://www.rawpixel.com/image/6025448/photo-image-public-domain-green-black-backgroundFree Image from public domain licenseGreen emerald diamond set ring. Free public domain CC0 photo. https://www.rawpixel.com/image/6025450/photo-image-public-domain-green-black-backgroundFree Image from public domain licenseGreen emerald diamond set ring. Free public domain CC0 photo. https://www.rawpixel.com/image/6025454/photo-image-public-domain-green-black-backgroundFree Image from public domain licenseLake of Antholz at South Tyrol, Italy https://www.rawpixel.com/image/463090/free-photo-image-antholz-beautiful-countrysideView licenseGem necklace, isolated object on white https://www.rawpixel.com/image/9822117/gem-necklace-isolated-object-whiteView licenseEmbleem: maagd (1723) by Jan Goeree, Jan Goeree, Gerard onder de Linden and Johannes van Braam https://www.rawpixel.com/image/13782275/image-paper-cartoon-faceFree Image from public domain license