Brigitte Buettner <br/><br/>
The Mineral and the Visual  Precious Stones in Medieval Secular Culture 

 -  Penn State University Press  2022 
<br/><br/><label>ISBN: </label>9780271092508 
<br/><br/><label>Subjects--Topical Terms: </label><br/> European <br/> History <br/> Medieval<br/>ART <br/>Crowns--Europe--History--To 1500.,Gems--Europe--History--To 1500.,Lapidaries (Medieval literature),Travelers' writings, European.