Mendozite Mineral Data + 
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- 29.5.4.1 Mendozite NaAl(SO4)2·11(H2O) C 2/c 2/m
- 29.5.4.2 Kalinite KAl(SO4)2·11(H2O) C 2/c 2/m
- VI/C.13-10 Mendozite NaAl(SO4)2·11(H2O) C 2/c 2/m
- VI/C.13-20 Kalinite KAl(SO4)2·11(H2O) C 2/c 2/m
General Mendozite Information |
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 Chemical Formula: |
NaAl(SO4)2·11(H2O) | ||
| Composition: |
Molecular Weight = 440.27 gm | ||
| Sodium 5.22 % Na 7.04 % Na2O | |||
| Aluminum 6.13 % Al 11.58 % Al2O3 | |||
| Hydrogen 5.04 % H 45.01 % H2O | |||
| Sulfur 14.57 % S 36.37 % SO3 | |||
| Oxygen 69.05 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
NaAl(SO4)2·11(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1868 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 26005 | ||
| PDF 22+475 | |||
Mendozite Image | |||
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Images:
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Mendozite Crystallography |
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| Axial Ratios: |
a:b:c =2.388:1:0.911 | ||
| Cell Dimensions: |
a = 21.75, b = 9.108, c = 8.298, Z = 4; beta = 92.47° V = 1,642.30 Den(Calc)= 1.78 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.5(1), 4.76(0.85), 4.58(0.65), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Mendozite |
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| Cleavage: |
[100] Good, [001] Indistinct, [010] Indistinct | ||
| Color: |
Colorless, White. | ||
| Density: |
1.73 - 1.765, Average = 1.74 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Hardness: |
3 - Calcite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Mendozite |
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| Gladstone-Dale: |
CI meas= -0.028 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.009 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2571,KPDmeas= 0.2619,KC= 0.2548 |
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| Optical Data: |
Biaxial (-), a=1.449, b=1.461, g=1.463, bire=0.0140, 2V(Calc)=44, 2V(Meas)=56. | ||
Calculated Properties of Mendozite |
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| Electron Density: |
relectron=1.86 gm/cc |
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| Fermion Index |
Fermion Index = 0.00143 Boson Index = 0.99857 |
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| Photoelectric: |
PEMendozite = 1.26 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Mendozite is Not Radioactive |
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Mendozite Classification |
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| Dana Class: |
29.5.4.1 (29)Hydrated Acid and Sulfates | ||
| (29.5)where A B (XO4)2 · x(H2O) | |||
| (29.5.4)Dana Group | |||
| Strunz Class: |
VI/C.13-10 VI - Sulfates,Chromates,Molybdates and Tungstates | ||
| VI/C - Water-bearing sulfates without unfamiliar anions. cations of medium and very big size | |||
| VI/C.13 - Mendozite - Kalinite series | |||
Other Mendozite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Mendozite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Mendozite using: Visit our Advertisers for Mendozite : Translate Mendozite Mineral Data : Ask about Mendozite here : Print or Cut-and-Paste your Mendozite Specimen Label here :
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