Quartz

Dimension: 9 x 6 x 6.5cm
 Origin: São João da Chapada, Diamantina, Minas Gerais, Brazil
 A small quartz hedgehog of very good quality with a superb shine.
 Dimensions without the acrylic base, which is supplied with the mineralogical specimen.
 The mineral is not glued to its support (flexible mastic).