General Lannonite Information Chemical Formula: |
HCa4Mg2Al4(SO4)8F9•32(H2O) |
Composition: |
Molecular Weight = 1,833.84 gm |
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Calcium 8.74 % Ca 12.23 % CaO |
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Magnesium 2.65 % Mg 4.40 % MgO |
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Aluminum 5.89 % Al 11.12 % Al2O3 |
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Hydrogen 3.57 % H 31.93 % H2O |
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Sulfur 13.99 % S 34.93 % SO3 |
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Oxygen 55.84 % O |
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Fluorine 9.32 % F 9.32 % F |
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- %
F -3.93 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
HCa4Mg2Al4(SO4)8F9•32(H2O) |
Environment: |
Post mining mineral in deposits containing oxidizable sulfides and fluorine bearing minerals. |
IMA Status: |
Approved IMA 1983 |
Locality: |
Lone Pine mine, Catron County, New Mexico. Link to MinDat.org Location Data. |
Name Origin: |
Named after Dan Lannon, who staked important claims at the locality in the late 1800's. |
Name Pronunciation: |
Lannonite + Pronunciation |
| | Lannonite Image
Images:
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Lannonite Crystallography Axial Ratios: |
a:c = 1:4.09502 |
Cell Dimensions: |
a = 6.84, c = 28.01, Z = 1; V = 1,310.47 Den(Calc)= 2.32 |
Crystal System: |
TetragonalSpace Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 13.98(1), 3.456(0.7), 4.84(0.7), |
| Physical Properties of Lannonite Color: |
White. |
Density: |
2.22 |
Habit: |
Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite). |
Habit: |
Nodular - Tuberose forms having irregular protuberances over the surface. |
Hardness: |
2 - Gypsum |
Luster: |
Earthy (Dull) |
Streak: |
white |
| Optical Properties of Lannonite Gladstone-Dale: |
CI meas= 0.09 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.13 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2022,KPDmeas= 0.2113,KC= 0.2323 Ncalc = 1.52 - 1.54 Optical Data: |
Uniaxial (+), w=1.46, e=1.478, bire=0.0180. |
| Calculated Properties of Lannonite Electron Density: |
Bulk Density (Electron Density)=2.28 gm/cc |
note: Specific Gravity of Lannonite =2.22 gm/cc. Fermion Index: |
Fermion Index = 0.0040912578 |
Boson Index = 0.9959087422 Photoelectric: |
PELannonite = 2.25 barns/electron |
U=PELannonite x rElectron Density= 5.13 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Lannonite is Not Radioactive | Lannonite Classification Dana Class: |
31.09.14.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen |
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(31.09)where (A+ B++) (XO4) Zq·x(H2O) |
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(31.09.14)Dana Group |
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Strunz Class: |
07.DF.40 07 - SULFATES (SELENATES, TELLURATES) |
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07.D - Sulfates (selenates, etc.) with additional anions, with H2O |
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07.DF -With large and medium-sized cations |
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| Other Lannonite Information References: |
NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Lannonite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Lannonite using: Visit our Advertisers for Lannonite : A Bijoux Google Search for LannoniteAdam's Minerals Google Search for Lannonite Cape Minerals Google Search for Lannonite Dakota Matrix Minerals Google Search for Lannonite Excalibur Mineral Corp. Google Search for Lannonite Exceptional Minerals Google Search for Lannonite John Betts Fine Minerals Search for Lannonite McDougall Minerals Google Search for Lannonite Mineral News Website Link Rock and Mineral Shows Google Search for Lannonite Weinrich Minerals, Inc. Google Search for Lannonite Ask about Lannonite here : Print or Cut-and-Paste your Lannonite Specimen Label here :
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