One of these Amethyst Quartzes "hour glass" Adrar ...
Description: One of these Amethyst Quartzes "hour glass" Adrar Tirecht Bou Oudi mountain, Tata, Gulmina-Es Smara, Morocco Specimen size: 3.3 2.3 1.7 cm. Photo: Reference Specimens -> http://www.fabreminerals.com/specimens/RSMA-morocco-notable-specimens.php#EG63N9