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tephroite
[ tef-roh-ahyt ]
noun
- a mineral, silicate of manganese, Mn 2 SiO 4 , occurring in orthorhombic crystals.
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˜yÐÄvlog History and Origins
Origin of tephroite1
1865–70; < German Tephroit < Greek ³Ù±ð±è³ó°ùó ( s ) ash gray + German -it -ite 1
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