Intaglio in Quartz | Barras-Gautier-Min.https://static.wixstatic.com/media/daf8af_08b42dff4a124faeb9542d36fbc2868a~mv2.jpg/v1/fit/w_500,h_500,q_90/file.jpg Dimension: 4.4 x 1.7 x 1.1 (15gr) Origin: Brazil (Chinese Size) Quartz pure from Brazil with beautiful inclusions, finely hand-engraved, forming a superb intaglio that can be worn as a medallion. 15gr) Dimensions without the acrylic base, which is supplied with the mineralogical specimen. The sample is not glued to its base (flexible mastic).