Amethyst microcrystal from Sardinia (Italy)

 

 

Minerals used in homeopathy – amethyst

About 5 mm long amethyst microcrystal on calcite, chalcedony with tiny pyrite inclusions.
The image is partially stacked at 2x on sensor.
The original size of the image is 4256 x 2832 px (see 100% crop)