Cancrinite Mineral Data (original) (raw)

General Cancrinite Information

Help on Chemical Formula: Chemical Formula:

Na6Ca2Al6Si6O24(CO3)2

Help on Composition: Composition:

Molecular Weight = 1,052.50 gm

Sodium 13.11 % Na 17.67 % Na2O

Calcium 7.62 % Ca 10.66 % CaO

Aluminum 15.38 % Al 29.06 % Al2O3

Silicon 16.01 % Si 34.25 % SiO2

Carbon 2.28 % C 8.36 % CO2

Oxygen 45.60 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Na6Ca2Al6Si6O24(CO3)2

Help on Environment: Environment:

Alteration of nepheline in igneous rocks.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1839

Help on Locality: Locality:

Tunkinsk Mountains, west of Irkutsk in Siberia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named after the Russian minister, E. F. Kankrin (1774-1845).

Help on Name Pronunciation: Name Pronunciation:

Cancrinite + Pronunciation Say CANCRINITE

Help on Synonym: Synonym:

ICSD 20334

PDF 25-776

Cancrinite Image

Click Here for Larger Cancrinite Image in a New Browser Window Images:

Cancrinite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:0.40551

Help on Cell Dimensions: Cell Dimensions:

a = 12.7, c = 5.15, Z = 1; V = 719.36 Den(Calc)= 2.43

Help on Crystal System: Crystal System:

Hexagonal - PyramidalH-M Symbol (6) Space Group: P 63

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.19(1), 4.61(0.67), 3.61(0.4),

Click Here for Large Cancrinite Structure Window Crystal Structure:

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| | Fechtelkord M , Stief F , Buhl J-C , American Mineralogist , 86 (2001) p.165-175, Sodium cation dynamics in nitrate cancrinite: A low and high temperature Na and H, MAS NMR study and high temperature Rietveld structure refinement, Sample: T = 296 K View Additional jPOWD Structure files for Cancrinite [1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [21] [3] [4] [5] [6] [7] [8] [9] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Cancrinite

Help on Cleavage: Cleavage:

{1010} Perfect

Help on Color: Color:

Blue, Colorless, Gray green, Yellow, White.

Help on Density: Density:

2.4 - 2.5, Average = 2.45

Help on Diaphaneity: Diaphaneity:

Transparent to translucent

Help on Fracture: Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Help on Habit: Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Help on Habit: Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Help on Hardness: Hardness:

6 - Orthoclase

Help on Luminescence: Luminescence:

Non-fluorescent.

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Cancrinite

Help on Dichroism (e): Dichroism (e):

colorless.

Help on Dichroism (w): Dichroism (w):

colorless.

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.02 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2092,KPDmeas= 0.2074,KC= 0.205
Ncalc = 1.49 - 1.51

Help on Optical Data: Optical Data:

Uniaxial (-), e=1.495-1.503, w=1.507-1.528, bire=0.0120-0.0250.

Calculated Properties of Cancrinite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.42 gm/cc
note: Specific Gravity of Cancrinite =2.45 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0080497807
Boson Index = 0.9919502193

Help on Photoelectric: Photoelectric:

PECancrinite = 2.24 barns/electron
U=PECancrinite x rElectron Density= 5.42 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cancrinite is Not Radioactive

Cancrinite Classification

Help on Dana Class: Dana Class:

76.02.05.03 (76)Tectosilicate Al-Si Framework

(76.02)Feldspathoids and related species

(76.02.05)Cancrinite group

76.02.05.01 Afghanite (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) P 63/mmc, P 63mc, or P 62c Hex

76.02.05.02 Bystrite (Na,K)7Ca(Si6Al6)O24S4.5•(H2O) P 31c 3m

76.02.05.03 Cancrinite Na6Ca2Al6Si6O24(CO3)2 P 63 6

76.02.05.04 Cancrisilite Na7Al5Si7O24(C03)•3(H2O) P 63 6

76.02.05.05 Davyne Na4K2Ca2Si6Al6O24(SO4)Cl2 P 63/m 6/m

76.02.05.06 Franzinite [(Na,K)30Ca10][Si30Al30O120](SO4)10•2(H2O) P 321 3 2

76.02.05.07 Giuseppettite [Na42K16Ca6]S64Si48Al48O192(SO4)10Cl2•5H2O P 31c 3m

76.02.05.08 Hydroxycancrinite Na4(AlSiO4)3(OH)•(H2O) P 63 6

76.02.05.09 Liottite (Ca,Na,K)8(Si,Al)12O24[(SO4),(CO3),Cl,OH]4•(H2O) P 6m2 6 m2

76.02.05.10 Microsommite (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 P 6322 6 2 2

76.02.05.11 Pitiglianoite Na6K2Si6Al6O24(SO4)•2(H2O) P 63 6

76.02.05.12 Quadridavyne (Na,K)6Ca2Al6Si6O24Cl4 P 63/m 6/m

76.02.05.13 Sacrofanite (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4•n(H2O) P 63/mmc ? 6/m 2/m 2/m

76.02.05.14 Tounkite (Na,Ca,K)8Al6Si6O24(SO4)2Cl•(H2O) P 6222 6 2 2

76.02.05.15 Vishnevite (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4•n(H2O) P 6322 6 2 2

76.02.05.16 Wenkite Ba4Ca6(Si,Al)20O39(OH)2(SO4)3•n(H2O)(?) P 62m 6 m2

76.02.05.17 Marinellite! [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2•6(H2O) P 31c or P 2c Trig

76.02.05.18 Farneseite! (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12•6(H2O) P 63/m 6/m 2/m 2/m

76.02.05.19 Alloriite! Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O P 31c 3m

76.02.05.20 Biachellaite (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5•H2O P 3 3

76.02.05.21 IMA2008-006! [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33•4H2O P 3 3

76.02.05.22 Kyanoxalite! Na7(Al5-6Si6-7O24)(C2O4)0.5-1.0•5H2O P 63 6

76.02.05.23 IMA2008-065! (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) P 63 6

Help on Strunz Class: Strunz Class:

09.FB.05 09 - SILICATES (Germanates)

09.F - Tektosilicates without Zeolitic H2O

09.FB -Tektosilicates with additional anions

09.FB.05 Bystrite (Na,K)7Ca(Si6Al6)O24S4.5•(H2O) P 31c 3m

09.FB.05 Afghanite (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) P 63/mmc, P 63mc, or P 62c Hex

09.FB.05 Cancrisilite Na7Al5Si7O24(C03)•3(H2O) P 63 6

09.FB.05 Cancrinite Na6Ca2Al6Si6O24(CO3)2 P 63 6

09.FB.05 Hydroxycancrinite Na4(AlSiO4)3(OH)•(H2O) P 63 6

09.FB.05 Franzinite [(Na,K)30Ca10][Si30Al30O120](SO4)10•2(H2O) P 321 3 2

09.FB.05 Liottite (Ca,Na,K)8(Si,Al)12O24[(SO4),(CO3),Cl,OH]4•(H2O) P 6m2 6 m2

09.FB.05 Davyne Na4K2Ca2Si6Al6O24(SO4)Cl2 P 63/m 6/m

09.FB.05 Giuseppettite [Na42K16Ca6]S64Si48Al48O192(SO4)10Cl2•5H2O P 31c 3m

09.FB.05 Quadridavyne (Na,K)6Ca2Al6Si6O24Cl4 P 63/m 6/m

09.FB.05 Pitiglianoite Na6K2Si6Al6O24(SO4)•2(H2O) P 63 6

09.FB.05 Microsommite (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 P 6322 6 2 2

09.FB.05 Vishnevite (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4•n(H2O) P 6322 6 2 2

09.FB.05 Sacrofanite (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4•n(H2O) P 63/mmc ? 6/m 2/m 2/m

09.FB.05 Marinellite! [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2•6(H2O) P 31c or P 2c Trig

09.FB.05 Tounkite (Na,Ca,K)8Al6Si6O24(SO4)2Cl•(H2O) P 6222 6 2 2

09.FB.05 IMA2008-065! (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) P 63 6

09.FB.05 Farneseite! (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12•6(H2O) P 63/m 6/m 2/m 2/m

09.FB.05 Biachellaite (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5•H2O P 3 3

09.FB.05 IMA2008-006! [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33•4H2O P 3 3

09.FB.05 Alloriite! Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O P 31c 3m

Other Cancrinite Information

Help on References: References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Mason68)

Help on See Also: See Also:

Links to other databases for Cancrinite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - GeoScienceWorld
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - Scandinavian mineral gallery
19 - WWW-MINCRYST
20 - Zeolite Database by Bruno Herreros

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Print or Cut-and-Paste your Cancrinite Specimen Label here :

Cancrinite

Na6Ca2Al6Si6O24(CO3)2
Dana No: 76.02.05.03 Strunz No: 09.FB.05
Locality:

Notes: