This rare metal is useful for most horrible, neuralgic, spasmodic shooting pains. Pains like electric shocks. Numbness or formication starting in the fingers and toes, extending up to lower limbs and down to feet and involving lower abdomen and perineum. Paralysis of lower limbs. Locomotor ataxia. Tremors. Falling of hair with great rapidity; after acute or exhausting diseases. Muscular atrophy.