Plombierite Mineral Data + 
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- 72.3.2.1 Tobermorite Ca5Si6O16(OH)2·4(H2O) C 2221 2 2 2
- 72.3.2.2 Clinotobermorite Ca5Si6(O,OH)18·5(H2O) Cc,C 2/c Mono
- 72.3.2.3 Plombierite Ca5H2Si6O18·6(H2O)(?) C 2221 2 2 2
- 72.3.2.4 Riversideite Ca5Si6O16(OH)2·2(H2O) B2212 2 2 2
- 72.3.2.5 Okenite Ca3[Si6O15]·6(H2O) P1 or P1 Tri
- 72.3.2.6 Tacharanite Ca12Al2Si18O33(OH)36 A centered Mono
- 72.3.2.7 Nekoite Ca3Si6O15·7(H2O) P1 1
- 72.3.2.8 Oyelite Ca10B2Si8O29·12(H2O) B**** Ortho
- VIII/F.19-10 Riversideite Ca5Si6O16(OH)2·2(H2O) B2212 2 2 2
- VIII/F.19-20 Tobermorite Ca5Si6O16(OH)2·4(H2O) C 2221 2 2 2
- VIII/F.19-25 Clinotobermorite Ca5Si6(O,OH)18·5(H2O) Cc,C 2/c Mono
- VIII/F.19-30 Plombierite Ca5H2Si6O18·6(H2O)(?) C 2221 2 2 2
General Plombierite Information |
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 Chemical Formula: |
Ca5H2Si6O18·6(H2O) (?) | ||
| Composition: |
Molecular Weight = 767.00 gm | ||
| Calcium 26.13 % Ca 36.56 % CaO | |||
| Silicon 21.97 % Si 47.00 % SiO2 | |||
| Hydrogen 1.84 % H 16.44 % H2O | |||
| Oxygen 50.06 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca5H2Si6O18·6(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1858 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
Plombierite Image | |||
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Images:
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Plombierite Crystallography |
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| Axial Ratios: |
a:b:c =0.4014:1:0.2607 | ||
| Cell Dimensions: |
a = 11.24, b = 28, c = 7.3, Z = 4; V = 2,297.46 Den(Calc)= 2.22 | ||
| Crystal System: |
Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: C 2221 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 1.83(1), 2.81(1), 3.09(1), | ||
Physical Properties of Plombierite |
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| Color: |
White. | ||
| Density: |
2.018 | ||
| Diaphaniety: |
Translucent | ||
| Luminescence: |
Phosphorescent fluorescent. | ||
| Streak: |
white | ||
Optical Properties of Plombierite |
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| Gladstone-Dale: |
CI meas= -0.183 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.075 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2477,KPDmeas= 0.2725,KC= 0.2304 |
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| Optical Data: |
Biaxial (?), b=1.55 | ||
| Pleochroism (x): |
colorless. | ||
| Pleochroism (y): |
colorless. | ||
| Pleochroism (z): |
colorless. | ||
Calculated Properties of Plombierite |
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| Electron Density: |
relectron=2.26 gm/cc |
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| Fermion Index |
Fermion Index = 0.01085 Boson Index = 0.98915 |
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| Photoelectric: |
PEPlombierite = 4.03 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Plombierite is Not Radioactive |
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Plombierite Classification |
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| Dana Class: |
72.3.2.3 (72)Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings | ||
| (72.3)with 3-, 4-, or 5-membered rings and 8-membered rings | |||
| (72.3.2)Tobermorite group (5- & 8-membered rings) | |||
| Strunz Class: |
VIII/F.19-30 VIII - Silicates | ||
| VIII/F - Inosilicates (chain and band) Triplet chains [Si3O9]6- | |||
| VIII/F.19 - Riversideite - Plombierite series | |||
Other Plombierite 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 Plombierite : 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 (MinSocAm) 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 -École des Mines de Paris Search for Plombierite using: Visit our Advertisers for Plombierite : Translate Plombierite Mineral Data : Ask about Plombierite here : Print or Cut-and-Paste your Plombierite Specimen Label here :
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