Sylvia RoseJun 226 minColors of Alchemy: Black Nigredo PutrefactionIn alchemy, nigredo (blackness) means putrefaction or decomposition. As the first step in the path to the philosopher's stone, nigredo...
Sylvia RoseMar 254 minJet Black - Ancient World GemstonesJet black describes a rich dark black, or the blackest black of all, as in jet-black hair. An ancient painter's pigment, jet is also...
Sylvia RoseMar 116 minBlack Pigments of Ancient ArtisansBlack is among the first pigments in the palette of early humans. By Paleolithic times, black defines lines, shadows and meaning. Black...