Cornell University Library Digital Collections
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Materials/Techniques
- Red Jasper (mounted on a gold ring)1
- Red and White Carnelian1
- Red and Yellow Jasper1
- Reddish Agate1
- Sardonyx Ring1
- Sardonyx on a Seal, Middle Ages1
- Tri-Colored Sardoine1
- Two Colored Sardonyx Mounted on a Ring1
- Yellow-Green Jasper1
- chrysoprase1
- emerald (mineral)1
- hyacinth (yellow zircon)1
- lapis lazuli (rock)1
- nephrite1
- opal1
- peridot (mineral)1
- pâte ant used to imitate Agate-Onyx1
- sapphire (mineral)1
- turquoise (mineral)1