Stones with star-shaped designs have been regarded as special "protective stones" or lucky charms since ancient times.
These bulbous ACHATES with their colored lines are also known as THUNDEREGG ( thunder egg), especially in Australia you can find exceptionally beautiful STERN ACHATES.
STERN ACHATES are quartz-rich, volcanic effusive rocks in whose cooling cracks the finest CHALCEDON has accumulated.
Weight : 38 g Dimensions: 4 x 3.5 x 2 cm
Place of discovery: Queensland - Australia