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Unnamed (New Ordered Member of the Alkali Feldspar Series)

Valid as an unnamed mineral
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Formula:
KNa(Si6Al2)O16
Crystal System:
Monoclinic
Member of:
Feldspar Group
A nano-phase within adularia.


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Unique IdentifiersHide

Mindat ID:
53886
Long-form identifier:
mindat:1:1:53886:4

IMA Classification of Unnamed (New Ordered Member of the Alkali Feldspar Series)Hide

IMA status notes:
Unnamed (probably valid)

Chemistry of Unnamed (New Ordered Member of the Alkali Feldspar Series)Hide

Mindat Formula:
KNa(Si6Al2)O16
Element Weights:
Element% weight
O47.357 %
Si31.174 %
Al9.983 %
K7.233 %
Na4.253 %

Calculated from ideal end-member formula.
Elements listed:
Al, K, Na, O, Si - search for minerals with similar chemistry

Crystallography of Unnamed (New Ordered Member of the Alkali Feldspar Series)Hide

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 SpeciesHide

Member of:
Feldspar Group
Other Members of Feldspar Group:
Alkali FeldsparA subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium.
Buddingtonite(NH4)(AlSi3O8)Mon. 2 : P21
CelsianBa(Al2Si2O8)Mon. 2/m
FilatoviteK(Al,Zn)2(As,Si)2O8Mon. 2/m
HexacelsianBaAl2Si2O8Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
KokchetaviteK(AlSi3O8)Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
KumdykoliteNa(AlSi3O8)Orth. mmm (2/m 2/m 2/m) : Pnnm
ParacelsianBa(Al2Si2O8)Mon. 2/m : P21/b
Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
ReedmergneriteNaBSi3O8Tric. 1 : P1
SlawsoniteSr(Al2Si2O8)Mon. 2/m : P21/b
SvyatoslaviteCa(Al2Si2O8)Mon. 2 : P21

RadioactivityHide

Other InformationHide

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)Hide

References for Unnamed (New Ordered Member of the Alkali Feldspar Series)Hide

Quick NavTopUnique IdentifiersIMA Classification Chemistry Crystallography RelationshipsRadioactivityOther InformationInternet Links References
 
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