reederite-(Y)
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Reederite-(Y) is a rare mineral with the formula . It is the only known mineral with fluorosulfate (fluorosulfonate). "REE" in the formula stands for rare earth elements other than yttrium, that is mostly cerium, with traces of neodymium, dysprosium, lanthanum and erbium. The formula also includes a Levinson suffix "-(Y)" pointing to the dominance of yttrium at the corresponding site. Reederite-(Y) crystallizes in the hexagonal crystal system with the space group P, rarely seen among minerals.
Wikidata facts
- Subclass of
- carbonate and nitrate class of minerals
Show 6 more facts
- IMA Mineral Symbol
- Rde-Y
- chemical formula
- (Na,Mn)₁₅Y₂(CO₃)₉(FSO₃)Cl
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 5.BF.20
- Nickel-Strunz 9th edition (updated 2009)
- 5.BF.20
- crystal system
- hexagonal crystal system
- streak color
- white
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Encyclopedic overview
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- References
Reederite-(Y) is a rare mineral with the formula . It is the only known mineral with fluorosulfate (fluorosulfonate). "REE" in the formula stands for rare earth elements other than yttrium, that is mostly cerium, with traces of neodymium, dysprosium, lanthanum and erbium. The formula also includes a Levinson suffix "-(Y)" pointing to the dominance of yttrium at the corresponding site. Reederite-(Y) crystallizes in the hexagonal crystal system with the space group P, rarely seen among minerals.
==References==
Excerpted from Wikipedia’s “reederite-(Y)” article, available under the CC BY-SA 4.0 licence.