Unnamed (New Ordered Member of the Alkali Feldspar Series)
Valid as an unnamed mineral
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A nano-phase within adularia.
Unique Identifiers
Mindat ID:
53886
Long-form identifier:
mindat:1:1:53886:4
GUID
(UUID V4):
(UUID V4):
11779a1f-8143-4a66-af3d-dd7342463d02
IMA Classification of Unnamed (New Ordered Member of the Alkali Feldspar Series)
IMA status notes:
Unnamed (probably valid)
Chemistry of Unnamed (New Ordered Member of the Alkali Feldspar Series)
Mindat Formula:
KNa(Si6Al2)O16
Crystallography of Unnamed (New Ordered Member of the Alkali Feldspar Series)
Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Comment:
Space group is Pa; K-Na ordering invokes C-centering symmetry violation
Relationship of Unnamed (New Ordered Member of the Alkali Feldspar Series) to other Species
Member of:
Other Members of this group:
Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. | |
Banalsite | Na2BaAl4Si4O16 | Orth. mm2 : Iba2 |
Buddingtonite | (NH4)(AlSi3O8) | Mon. 2 : P21 |
Celsian | Ba(Al2Si2O8) | Mon. 2/m |
Cleavelandite | Na(AlSi3O8) | Tric. |
Filatovite | K(Al,Zn)2(As,Si)2O8 | Mon. 2/m |
Hexacelsian | BaAl2Si2O8 | Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm |
Kokchetavite | K(AlSi3O8) | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Kumdykolite | Na(AlSi3O8) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Paracelsian | Ba(Al2Si2O8) | Mon. 2/m : P21/b |
Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 | |
Reedmergnerite | NaBSi3O8 | Tric. 1 : P1 |
Slawsonite | Sr(Al2Si2O8) | Mon. 2/m : P21/b |
Stronalsite | Na2SrAl4Si4O16 | Orth. |
Svyatoslavite | Ca(Al2Si2O8) | Mon. 2 : P21 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Unnamed (New Ordered Member of the Alkali Feldspar Series)
mindat.org URL:
https://www.mindat.org/min-53886.html
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