
Amber
(14th century) An organic stone, amber is the fossilized resin from prehistoric pine trees. These now-extinct plants produced enormous quantities
(14th century) An organic stone, amber is the fossilized resin from prehistoric pine trees. These now-extinct plants produced enormous quantities
(1515)Bloodstone is a variety of quartz which occurs in massive formations. The color is green with flecks of red, although
(1570) A fine-grained variegated chalcedony (a member of the quartz family), usually with colors arranged in stripes, blended in clouds