General Lausenite Information Chemical Formula: |
Fe+++2(SO4)3•6(H2O) |
Composition: |
Molecular Weight = 507.98 gm |
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Iron 21.99 % Fe 31.44 % Fe2O3 |
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Hydrogen 2.38 % H 21.28 % H2O |
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Sulfur 18.94 % S 47.28 % SO3 |
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Oxygen 56.69 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Fe3+2(SO4)3•6(H2O) |
Environment: |
Formed as the result of a mine fire. |
IMA Status: |
Valid Species (Pre-IMA) 1928 |
Locality: |
United Verde mine, Jerome, Arizona, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for Carl Lausen, U. S. Mining engineer, who first described the species. |
Name Pronunciation: |
Lausenite + Pronunciation |
| | Lausenite Image
Images:
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Lausenite Crystallography Crystal System: |
MonoclinicSpace Group: Unk. |
X Ray Diffraction: |
By Intensity(I/Io): 3.38(1), 3.52(1), 2.07(0.6),2.85(0.5), 3.03(0.5), 2.28(0.4), 2.52(0.4), 5.55(0.4), |
Crystal Structure:
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Mouse
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| Physical Properties of Lausenite Color: |
White. |
Habit: |
Fibrous - Crystals made up of fibers. |
Luminescence: |
Non-fluorescent. |
Luster: |
Silky |
Streak: |
white |
| Optical Properties of Lausenite Optical Data: |
Biaxial (-), a=1.598, b=1.628, g=1.654, bire=0.0560 |
| Calculated Properties of Lausenite Fermion Index: |
Fermion Index = 0.0063574733 |
Boson Index = 0.9936425267 Photoelectric: |
PELausenite = 7.57 barns/electron |
U=PELausenite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Lausenite is Not Radioactive | Lausenite Classification Dana Class: |
29.08.01.01 (29)Hydrated Acid and Sulfates |
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(29.08)where (A)2 (XO4)3 · x(H2O) |
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(29.08.01)Dana Group |
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Strunz Class: |
07.CB.70 07 - SULFATES (SELENATES, TELLURATES) |
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07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O |
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07.CB -With only medium-sized cations |
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| Other Lausenite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Lausenite : |
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 Lausenite using: Visit our Advertisers for Lausenite : A Bijoux Google Search for LauseniteAdam's Minerals Google Search for Lausenite Cape Minerals Google Search for Lausenite Dakota Matrix Minerals Google Search for Lausenite Excalibur Mineral Corp. Google Search for Lausenite Exceptional Minerals Google Search for Lausenite John Betts Fine Minerals Search for Lausenite McDougall Minerals Google Search for Lausenite Mineral News Website Link Rock and Mineral Shows Google Search for Lausenite Weinrich Minerals, Inc. Google Search for Lausenite Ask about Lausenite here : Print or Cut-and-Paste your Lausenite Specimen Label here :
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