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Takanelite Mineral Data + |
General Takanelite Information |
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| (Mn++,Ca)Mn++++4O8·(H2O) | |||
| Molecular Weight = 419.21 gm | |||
| Calcium 0.96 % Ca 1.34 % CaO | |||
| Manganese 64.21 % Mn 15.23 % MnO / 82.95 % MnO2 | |||
| Hydrogen 0.48 % H 4.30 % H2O | |||
| Oxygen 34.35 % O | |||
| ______ ______ | |||
| 100.00 % 103.82 % = TOTAL OXIDE | |||
| Mn2+0.9Ca0.1Mn4+4O8·(H2O) | |||
| Oxidation zone of a braunite-rhodochrosite-Carpopilite deposit. | |||
| Approved IMA 1971 | |||
| Nomura mine, Ehime, Japan. Link to MinDat.org Location Data. | |||
| Named for Katsutoshi Takane (1899-1945), professor of mineralogy, Tohoku University, Sendai, Japan. | |||
| Wad | |||
Search for Takanelite Images | |||
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Takanelite Crystallography |
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| a:c = 1:1.03686 | |||
| a = 8.68, c = 9, Z = 3; V = 587.24 Den(Calc)= 3.56 | |||
| HexagonalSpace Group: Unk | |||
| By Intensity(I/Io): 7.25(1), 3.619(0.25), 2.451(0.2), | |||
Physical Properties of Takanelite |
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| None | |||
| Brownish gray, Black, Steel gray. | |||
| 3.41 - 3.425, Average = 3.41 | |||
| Opaque | |||
| Inclusions - Generally found as inclusions in other minerals. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| 2.5-3 - Finger Nail-Calcite | |||
| Sub Metallic | |||
| brown black | |||
Calculated Properties of Takanelite |
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relectron=3.37 gm/cc |
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| Fermion Index = 0.00017 Boson Index = 0.99983 |
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PETakanelite = 16.91 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Takanelite is Not Radioactive |
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Takanelite Classification |
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| 7.10.1.2 (7)Multiple Oxides | |||
| (7.10)Dana Type | |||
| (7.10.1)Dana Group | |||
| IV/D.12-20 IV - Oxides | |||
| IV/D - Oxides with metal : oxygen = 1:2 (MO2 and related compounds) | |||
| IV/D.12 - Rancieite - Takanelite series | |||
Other Takanelite Information |
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| NAME( Dana8) PHYS. PROP.(Dana8) | |||
| Links to other databases for Takanelite : 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 (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Takanelite using: Visit our Advertisers for Takanelite : Translate Takanelite Mineral Data : Ask about Takanelite here : Print or Cut-and-Paste your Takanelite Specimen Label here :
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