// MATTER · ELEMENT 62 / 118

Samarium

Sm · Z=62 · Lanthanide · 3B D♭ Major

Samarium is element number 62 on the periodic table — a Lanthanide, atomic weight 150.4. 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

Paul-Émile Lecoq de Boisbaudran — identified in samarskite ore · France · 1879

Stellar origin cited science

s-process + r-process

Mixed origin across its seven stable isotopes. ¹⁴⁹Sm has an enormous neutron absorption cross-section, making it cosmically depleted.

Musical key interactive art

Periodic Frequency maps atomic number 62 to Camelot seat 3B · D♭ Major. A deterministic, octave-reduced mapping — musically usable, not a literal claim about atomic vibration.

Curiosity

Samarium-149 has such a hungry appetite for neutrons that it acts as a 'reactor poison' — its build-up slows nuclear reactors all by itself.

▶ Read Samarium in the instrument →
⭕ Oval Table · seat 3B →⚔️ Excalibur · SAMARIUM →

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