Francium
Francium is element number 87 on the periodic table — a Alkali Metal, atomic weight 223. On Matter it is read not only as chemistry but through four interpretive lenses. The science below is cited as science; the symbolic layers are flagged as interactive art.
Discovery
Marguerite Perey — observed the decay of actinium at the Curie Institute · France · 1939
Stellar origin cited science
Decay product (essentially nonexistent in nature)
Longest-lived isotope ²²³Fr has a 22-minute half-life. At any moment, less than 30 grams of francium exists naturally on the planet.
Musical key interactive art
Periodic Frequency maps atomic number 87 to Camelot seat 10B · D Major. A deterministic, octave-reduced mapping — musically usable, not a literal claim about atomic vibration.
Curiosity
Discovered by Marguerite Perey, who began as Marie Curie's lab assistant and later became the first woman elected to the French Academy of Sciences.
An interpretive reading. The nuclear and stellar science (origins, body composition, discovery) is cited as established science; the symbolic layers — the Camelot musical key and the scriptural shadow — are contemplative art, interpretive readings, not literal claims. Testimony, not prediction.
↩ atoms.no · the full instrument