Sublimed dendritic thulium, as well as an argon arc remelted 1 cm3 cube of it for comparison. Thulium is a bright silvery-gray rare earth metal that was discovered by Swedish chemist Per Teodor Cleve in 1879. It is never found in nature in pure form, but it is found in small quantities in minerals with other rare earths. (photo: Alchemist-hp)               (via: Wikipedia) View high resolution

Sublimed dendritic thulium, as well as an argon arc remelted 1 cm3 cube of it for comparison. Thulium is a bright silvery-gray rare earth metal that was discovered by Swedish chemist Per Teodor Cleve in 1879. It is never found in nature in pure form, but it is found in small quantities in minerals with other rare earths.

(photo: Alchemist-hp)               (via: Wikipedia)

Notes

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