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α-Carnegieite

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Formula:
NaAlSiO4
Dimorph of:
'Carnegieite'
A high-temperature cubic phase of carnegieite stable above 690 °C. Possibly a polymorph of nepheline.
Compare also an unnamed monohydrate phase 'UM1967-10-SiO:AlHNa'.


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Name EncodingHide

CP1252:
a-Carnegieite
Latin-1:
a-Carnegieite
ASCII-7:
a-Carnegieite

Unique IdentifiersHide

Mindat ID:
9322
Long-form identifier:
mindat:1:1:9322:0

Similar NamesHide

CarnegieiteNaAlSiO4

Classification of α-CarnegieiteHide

Strunz-mindat (2026):
9.HA.50

9 : SILICATES (Germanates)
H : Unclassified silicates
A : With Alkali and Alkali-earth Elements

Chemistry of α-CarnegieiteHide

Mindat Formula:
NaAlSiO4
Element Weights:
Element% weight
O45.052 %
Si19.771 %
Al18.994 %
Na16.184 %

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

Other Language Names for α-CarnegieiteHide

Related Minerals - Strunz-mindat GroupingHide

9.HA.ShinichengiteCa5[BSi2O7(OH)2]2 · 6H2OTric. 1 : P1
9.HA.Kalyuzhnyite-(Ce)NaKCaSrCeTi(Si8O21)OF(H2O)3Mon. 2/m : P2/b
9.HA.MoragiteCa3TiSi2(Al2Si)O14Trig. 3 2 : P3 2 1
9.HA.05ErtixiiteNa2Si4O9Iso.
9.HA.10KenyaiteNa2Si22O41(OH)8 · 6H2OMon.
9.HA.20WawayandaiteCa6Mn2BBe9Si6O23(OH,Cl)15Mon.
9.HA.25MagbasiteKBaFe3+Mg7Si8O22(OH)2F6Orth. mmm (2/m 2/m 2/m) : Cmma
9.HA.35DemagistrisiteBaCa2Mn3+4(Si3O10)(Si2O7)(OH)4 · 3H2OOrth. mm2 : Amm2
9.HA.37DonwilhelmsiteCaAl4Si2O11Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.HA.40KasatkiniteBa2Ca8B5Si8O32(OH)3 · 6H2O Mon.
9.HA.40'Igumnovite'Ca3Al2[SiO4]2[◻Cl4]Iso.
9.HA.42PaqueiteCa3TiSi2(Al,Ti,Si)3O14Trig. 3 2 : P3 2 1
9.HA.42QeltiteCa3TiSi2(Fe3+2Si)O14Trig. 3 2 : P3 2 1
9.HA.45RippiteK2(Nb,Ti)2(Si4O12)O(O,F)Tet.
9.HA.47ZagamiiteCaAl2Si3.5O11Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
9.HA.50RudenkoiteSr3(Al3.5Si3.5)O10(OH,O)8Cl2 · H2OMon.
9.HA.52'Atheriastite'near Ca5MgFeAl6Si8O32 · 5H2O
9.HA.55'Foshallasite'Ca3[Si2O7] · 3H2O(?)
9.HA.57'Bhreckite'
9.HA.60NagelschmidtiteCa7(SiO4)2(PO4)2Hex. 6 : P61
9.HA.65Caryochroite[Na(Sr0.5Ca0.5)Mg]3[Fe3+8Mn(Fe2+0.5◻0.5)]10(Ti2Si12O37)(OH)14(H2O)3 Mon. 2/m
9.HA.70JuaniteCa10Mg4Al2Si11O39 · 4H2O or nearOrth.
9.HA.75TacharaniteCa12Al2Si18O33(OH)36Mon.
9.HA.80OyeliteCa10Si8B2O29 · 12.5H2OTric. 1 : P1
9.HA.85DenisoviteK14+x(Ca,Na,Mn,Fe)48[Si60O162]F16(Ox,OH4-x) · 2H2OMon.
9.HA.90TiettaiteK4Na12Fe3+Si16O41(OH)4 · 2H2OOrth. mmm (2/m 2/m 2/m) : Cmcm

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 α-CarnegieiteHide

References for α-CarnegieiteHide

Reference List:
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