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Manganaxinite Mineral Data + |
General Manganaxinite Information |
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| Ca2Mn++Al2BO3Si4O12(OH) | |||
| Molecular Weight = 569.21 gm | |||
| Calcium 14.08 % Ca 19.70 % CaO | |||
| Manganese 9.65 % Mn 12.46 % MnO | |||
| Aluminum 9.48 % Al 17.91 % Al2O3 | |||
| Silicon 19.74 % Si 42.22 % SiO2 | |||
| Boron 1.90 % B 6.12 % B2O3 | |||
| Hydrogen 0.18 % H 1.58 % H2O | |||
| Oxygen 44.97 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Ca2Mn2+Al2(BO3)Si4O12(OH) | |||
| Contact metamorphic, hydrothermal, and alpine vein rocks. | |||
| Valid Species (Pre-IMA) 1909 | |||
| Harz Mts, Germany Link to MinDat.org Location Data. | |||
| From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the from the Latin magnes = "magnet" in reference to Mn in the chemical formula. | |||
| Axinite | |||
Manganaxinite Image | |||
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Manganaxinite Crystallography |
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| a:b:c =0.9769:1:0.7792 | |||
| a = 8.978, b = 9.19, c = 7.161, Z = 2; alpha = 102.74°, beta = 98.2°, gamma = 88.26° V = 570.14 Den(Calc)= 3.32 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 3.16(1), 3.47(0.7), 2.81(0.5), | |||
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Physical Properties of Manganaxinite |
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| [100] Distinct, [001] Poor, [110] Poor | |||
| Brown, Colorless, Yellowish, Pale violet, Reddish. | |||
| 3.27 - 3.29, Average = 3.28 | |||
| Transparent to subtranslucent | |||
| Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | |||
| Lamellar - Thin laminae producing a lamellar structure. | |||
| Massive - Granular - Common texture observed in granite and other igneous rock. | |||
| 6.5-7 - Pyrite-Quartz | |||
| Fluorescent. | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Manganaxinite |
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| CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2072,KPDmeas= 0.2098,KC= 0.2094 |
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| Biaxial (-), a=1.672-1.693, b=1.677-1.701, g=1.681-1.704, bire=0.0090-0.0110, 2V(Calc)=62-82, 2V(Meas)=69-87. Dispersion strong, r < v. | |||
| colorless, yellow, light brown, yellow brown, or pale green. | |||
| colorless, deep yellow, deep blue, pale violet, or violet. | |||
| colorless, pale green, olive yellow, brown, or dark violet. | |||
Calculated Properties of Manganaxinite |
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relectron=3.24 gm/cc |
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| Fermion Index = 0.0134 Boson Index = 0.9866 |
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PEManganaxinite = 5.22 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Manganaxinite is Not Radioactive |
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Manganaxinite Classification |
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| 56.2.2.3 (56)Sorosilicate Si2O7 Groups and O, OH, F. and H2O | |||
| (56.2)with cations in [4] and/or >[4] coordination | |||
| (56.2.2)Axinite group | |||
| VIII/E.06-30 VIII - Silicates | |||
| VIII/E - Cyklosilicates, quadruplet rings [Si4O11]8- | |||
| VIII/E.06 - Axinite group, Magnesio-axinite - Ashburtonite series | |||
Other Manganaxinite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65) | |||
| Links to other databases for Manganaxinite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Franklin Minerals(Dunn) 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - MinMax(Deutsch) 12 - MinMax(English) 13 - Mineralienatlas (Deutsch) 14 - QUT Mineral Atlas 15 - Ruff.Info Search for Manganaxinite using: Visit our Advertisers for Manganaxinite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich 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 The GeoZone Wrights Rock Shop Translate Manganaxinite Mineral Data : Ask about Manganaxinite here : Print or Cut-and-Paste your Manganaxinite Specimen Label here :
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