Samarium (Sm) in plasma
Samarium glows in pastels: yellow-green through the upper vessel shading to blue-white at the ring. It is one of the gentler lanthanide fills, with no single line strong enough to impose one colour on the whole discharge.
Samarium glows in pastels: yellow-green through the upper vessel shading to blue-white at the ring. It is one of the gentler lanthanide fills, with no single line strong enough to impose one colour on the whole discharge.
