tundriten.
/ˈtʌndrʌɪt/ Mineralogy.
A silicate and carbonate (essentially) of cerium (normal tundrite, tundrite-(Ce)) or neodymium (tundrite-(Nd)), sodium, and titanium found as triclinic brownish- or greenish-yellow crystals.
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the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > cerite > cerium or rare earth silicates
tritomite1856
rinkite1885
hellandite1903
nordite1941
perrierite1951
spencite1961
tundrite1965
tritomite-Y1966
1965 Amer. Mineralogist 50 2098 Tundrite occurs in 3 nepheline syenite pegmatites of Mt. Nepkha, Lovozero tundra, Kola Peninsula.
1974 Amer. Mineralogist 59 633/2 Infra-red study of tundrite from a new locality in the Khibina massif showed bands of carbonate; this was confirmed by spectra of the Greenland mineral.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1965- much more
- much obliged
- much of a muchness
- much of a piece
- much of a size
- much of an age
- much of the time
- much spread
- much thanks
- much the mode
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- much thing
- much to the amusement of
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- much water runs by the mill that the miller knows not of
- much will have more
- much, far, all to seek
- much-abused
- much-admired
- much-beloved
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- much-containing
- much-criticized