sunstone

n.

日光石，猫眼石；日长石；

Computer coin games :
Southwestern Colonial Ironwork: The Spanish Blacksmithing Tradition
Dichos: Proverbs and Sayings from the Spanish
Progress of anode production technology for aluminum reduction and industrial sustainable development in China
Techsources PCB Solutions: IPC-APEX & The Designer Summit
Sunstone
sunstone
A depolarizer as a possible precise sunstone for Viking navigation by polarized skylight
Orientation with a Viking sun-compass, a shadow-stick, and two calcite sunstones under various weather conditions.
SUNSTONE LABRADORITE FROM THE PONDEROSA MINE, OREGON