Cinnabar with the deadly toxin. Cinnabar Cinnabar () and cinnabarite (), likely deriving from the ("kinnabari"), refer to the common bright scarlet to brick-red form of mercury(II) sulfide (HgS) that is the most common source ore for refining elemental mercury, and is the historic source for the brilliant red or scarlet pigment termed vermilion and associated red mercury pigments. Cinnabar generally occurs as a vein-filling mineral associated with recent volcanic activity and alkaline hot springs. The mineral resembles quartz in symmetry and in its exhibiting birefringence; cinnabar has a mean refractive index of approximately 3.2, a hardness between 2.0 and 2.5,
The K-Metal from Krypton copies of the missing pages that they can find, and aim to replace any redrawn pages with restorations of originals if available. The K-Metal from Krypton "The K-Metal from Krypton" is an unpublished Superman story written by Jerry Siegel in 1940 and originally illustrated by the Joe Shuster Studio. The reason why National Comics (later to become DC Comics) never published the story is not known. This storyline features the precursor to Kryptonite called "K-Metal" and Lois learning that Clark Kent is Superman. Like all Superman stories of the 1940s, the adventure originally had no title. The earliest known occurrence