Rouvilleite Mineral Data + 
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- 16a.5.5.1 Rouvilleite Na3Ca2(CO3)3F Cc,C 2/c Mono
- V/C.06-10 Brenkite Ca2(CO3)F2 P bcn 2/m 2/m 2/m
- V/C.06-20 Holdawayite Mn6(CO3)2(OH)7(Cl,OH) C 2/m 2/m
- V/C.06-25 Rouvilleite Na3Ca2(CO3)3F Cc,C 2/c Mono
- V/C.06-27 Sheldrickite! NaCa3(CO3)2F3·(H2O) P 32 3
- V/C.06-30 Defernite Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x(x=0,5) Pnam 2/m 2/m 2/m
General Rouvilleite Information |
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 Chemical Formula: |
Na3Ca2(CO3)3F | ||
| Composition: |
Molecular Weight = 348.15 gm | ||
| Sodium 19.81 % Na 26.70 % Na2O | |||
| Calcium 23.02 % Ca 32.21 % CaO | |||
| Carbon 10.35 % C 37.92 % CO2 | |||
| Oxygen 41.36 % O | |||
| Fluorine 5.46 % F 5.46 % F | |||
| - % F -2.30 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na3Ca2(CO3)3F | ||
| Environment: |
Cavities in sodalite syenite inclusions in nepheline syenite. | ||
| IMA Status: |
Approved IMA 1991 | ||
| Locality: |
Poudrette quarry, Rouville County, Mt. St-Hilaire, Quebec, Canada. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
| Synonym: |
ICSD 39352 | ||
| IMA1989-050 | |||
| PDF 44-1471 | |||
Search for Rouvilleite Images | |||
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Images:
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Rouvilleite Crystallography |
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| Axial Ratios: |
a:b:c =0.5086:1:0.4445 | ||
| Cell Dimensions: |
a = 8.043, b = 15.812, c = 7.03, Z = 4; beta = 101.16° V = 877.14 Den(Calc)= 2.64 | ||
| Crystal System: |
MonoclinicSpace Group: Cc,C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.895(1), 2.711(0.9), 7.081(0.8), | ||
Physical Properties of Rouvilleite |
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| Cleavage: |
[001] Good, [010] Good | ||
| Color: |
Colorless, Reddish brown, Tan. | ||
| Density: |
2.67 | ||
| Diaphaniety: |
Transparent | ||
| Habit: |
Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks. | ||
| Hardness: |
3 - Calcite | ||
| Luster: |
Vitreous - Waxy | ||
| Streak: |
white | ||
Optical Properties of Rouvilleite |
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| Gladstone-Dale: |
CI meas= 0.004 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2024,KPDmeas= 0.2001,KC= 0.201 |
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| Optical Data: |
Biaxial (-), a=1.472, b=1.562, g=1.569, bire=0.0970, 2V(Calc)=28, 2V(Meas)=25-30. | ||
| Pleochroism (x): |
none. | ||
| Pleochroism (y): |
none. | ||
| Pleochroism (z): |
none. | ||
Calculated Properties of Rouvilleite |
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| Electron Density: |
relectron=2.64 gm/cc |
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| Fermion Index |
Fermion Index = 0.00164 Boson Index = 0.99836 |
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| Photoelectric: |
PERouvilleite = 3.31 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rouvilleite is Not Radioactive |
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Rouvilleite Classification |
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| Dana Class: |
16a.5.5.1 (16a)Carbonates - Hydroxyl or Halogen | ||
| (16a.5)with miscellaneous formulae | |||
| (16a.5.5)Dana Group | |||
| Strunz Class: |
V/C.06-25 V - Nitrates, Carbonates and Borates | ||
| V/C - Waterfree carbonates with unfamiliar anions | |||
| V/C.06 - Brenkite - Defernite series | |||
Other Rouvilleite Information |
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| References: |
PHYS. PROP.(Am.Min.,Vol.76,p2023,1991) OPTIC PROP.(Am.Min.,Vol.76,p2023,1991) | ||
| See Also: |
Links to other databases for Rouvilleite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 - WWW-MINCRYST 15 -École des Mines de Paris Search for Rouvilleite using: Visit our Advertisers for Rouvilleite : Translate Rouvilleite Mineral Data : Ask about Rouvilleite here : Print or Cut-and-Paste your Rouvilleite Specimen Label here :
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