51Թ

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tephroite

[tef-roh-ahyt]

noun

  1. a mineral, silicate of manganese, Mn 2 SiO 4 , occurring in orthorhombic crystals.



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51Թ History and Origins

Origin of tephroite1

1865–70; < German Tephroit < Greek ٱó ( s ) ash gray + German -it -ite 1

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tephrochronologyTepic