| Raadeite Mineral Data |
General Raadeite Information |
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| Mg7(PO4)2(OH)8 | |||
| Molecular Weight = 493.69 gm | |||
| Magnesium 33.38 % Mg 55.35 % MgO | |||
| Manganese 0.22 % Mn 0.29 % MnO | |||
| Iron 0.23 % Fe 0.29 % FeO | |||
| Arsenic 0.30 % As 0.47 % As2O5 | |||
| Phosphorus 12.30 % P 28.18 % P2O5 | |||
| Hydrogen 1.72 % H 15.36 % H2O | |||
| Oxygen 51.85 % O | |||
| ______ ______ | |||
| 100.00 % 99.94 % = TOTAL OXIDE | |||
| Mg6.78Fe2+0.02Mn2+0.02P1.96As0.02H8.42O16 | |||
| Low pressure and temperature metamorphic mineral in apatite-rich nodules in sepentine. The magnesium and phosphate dominant analog of allactite. | |||
| Approved IMA 2001 (Dana # Added) | |||
| Serpentinite body near Tingelstadtjern in the Modum district of southern Norway. Link to MinDat.org Location Data. | |||
| Named for Gunnar Raade (1944-), minerals curator at the Natural History Museum, Oslo, Norway. | |||
| IMA1996-034 | |||
Raadeite Image | |||
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Raadeite Crystallography |
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| a:b:c =0.4507:1:0.8289 | |||
| a = 5.25, b = 11.647, c = 9.655, Z = 2; beta = 95.94° V = 587.20 Den(Calc)= 2.79 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n | |||
| By Intensity(I/Io): 2.905(1)(131), 3.521(0.8)(122,121), 2.199(0.8)(142,202),2.794(0.75)(023,041), 4.436(0.75)(111), 3.087(0.7)(013), 3.145(0.7)(122), | |||
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Physical Properties of Raadeite |
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| None | |||
| Colorless. | |||
| Transparent | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| Anhedral Grains - Granular minerals without the expression of crystal shapes | |||
| Inclusions - Generally found as inclusions in other minerals. | |||
| Selvage - As a reaction rim, surrounding the host mineral. | |||
| Pearly | |||
| white | |||
Optical Properties of Raadeite |
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| CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2163,KC= 0.2164 |
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| Biaxial (-), a=1.5945, b=1.6069, g=1.6088, bire=0.0143, 2V(Calc)=42, 2V(Meas)=45.6. Dispersion r > v strong. | |||
Calculated Properties of Raadeite |
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relectron=2.81 gm/cc |
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| Fermion Index = 0.03367 Boson Index = 0.96633 |
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PERaadeite = 1.68 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Raadeite is Not Radioactive |
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Raadeite Classification |
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| 41.2.1.2 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.2)where (A B)7 (XO4)2 Zq | |||
| (41.2.1)Dana Group | |||
| VII/B.15-45 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O,OH, cations of medium size: Mg, Mn, Fe, Cu, Zn, Pseudomalachite group and related compounds | |||
| VII/B.15 - Pseudomalachite group, Flinkite - Allactite series | |||
Other Raadeite Information |
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| NAME( AmMin, 86:1536) PHYS. PROP.(AmMin, 86:1536) OPTIC PROP.(AmMin, 86:1536) | |||
| Links to other databases for Raadeite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas Search for Raadeite using: Visit our Advertisers for Raadeite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Raadeite Mineral Data : Ask about Raadeite here : Print or Cut-and-Paste your Raadeite Specimen Label here :
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