In a variegated patina of ash to russet hues, this Mars rock is sheathed in a naturally glazed desert varnish from its residency in the Sahara Desert. Surface peppering of long mineral lathes (clinopyroxene) and large pockets of impact glass (from an asteroid impact on Mars) are in evidence.
63 x 49 x 47mm. (2½ x 2 x 1¾in.)
The condition of lots can vary widely... read more