optical phenomena

URI: https://gptkb.org/prop/optical_phenomena
6 triples
GPTKB property
Random triples
Subject Object
gptkb:Fire_Opal Color zoning
gptkb:Fire_Opal Chatoyancy
gptkb:Fire_Opal Play of color
gptkb:Padparadscha_Sapphire Pleochroism
gptkb:Fire_Opal gptkb:Asterism
gptkb:Oregon_Sunstone schiller effect