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Rhodonite Mineral Data + |
General Rhodonite Information |
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| (Mn++,Fe++,Mg,Ca)SiO3 | |||
| Molecular Weight = 129.13 gm | |||
| Calcium 1.55 % Ca 2.17 % CaO | |||
| Magnesium 0.38 % Mg 0.62 % MgO | |||
| Manganese 38.29 % Mn 49.44 % MnO | |||
| Iron 0.86 % Fe 1.11 % FeO | |||
| Silicon 21.75 % Si 46.53 % SiO2 | |||
| Oxygen 37.17 % O | |||
| ______ ______ | |||
| 100.00 % 99.88 % = TOTAL OXIDE | |||
| Mn2+0.9Fe2+0.02Mg0.02Ca0.05SiO3 | |||
| Hydrothermal, metamorphic and, metasomatic rocks. | |||
| Valid Species (Pre-IMA) 1819 | |||
| Lauthental and Elbingerrode, Germany. Link to MinDat.org Location Data. | |||
| From the Greek rhodos - "rose colored." | |||
| Fowlerite - Zn | |||
| ICSD 200452 | |||
| PDF 13-138 | |||
Rhodonite Image | |||
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Rhodonite Crystallography |
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| a:b:c =0.872:1:1.5953 | |||
| a = 6.68, b = 7.66, c = 12.22, Z = 10; alpha = 111.1°, beta = 86.016°, gamma = 93.203° V = 581.04 Den(Calc)= 3.69 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 2.772(1), 2.924(0.65), 2.98(0.65), | |||
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Physical Properties of Rhodonite |
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| [110] Perfect, [110] Perfect | |||
| Pink, Rose red, Brownish red, Black, Yellow. | |||
| 3.5 - 3.7, Average = 3.6 | |||
| Transparent to translucent | |||
| Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | |||
| Massive - Granular - Common texture observed in granite and other igneous rock. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| Tabular - Form dimensions are thin in one direction. | |||
| 6 - Orthoclase | |||
| None. | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Rhodonite |
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| CI meas= -0.003 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.021 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1978,KPDmeas= 0.2027,KC= 0.2021 |
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| Biaxial (+), a=1.711-1.738, b=1.714-1.741, g=1.724-1.751, bire=0.0130, 2V(Calc)=58, 2V(Meas)=58-73. Dispersion none. | |||
| colorless. | |||
| colorless. | |||
| colorless. | |||
Calculated Properties of Rhodonite |
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relectron=3.47 gm/cc |
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| Fermion Index = 0.01091 Boson Index = 0.98909 |
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PERhodonite = 11.12 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Rhodonite is Not Radioactive |
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Rhodonite Classification |
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| 65.4.1.1 (65)Inosilicate Single-Width Unbranched Chains, W=1 | |||
| (65.4)with chains P=5 | |||
| (65.4.1)Rhodonite group | |||
| VIII/F.27-10 VIII - Silicates | |||
| VIII/F - Inosilicates (chain and band) Five chains [Si5O15]10- | |||
| VIII/F.27 - Rhodonite - Inesite series | |||
Other Rhodonite Information |
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| NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65) | |||
| Links to other databases for Rhodonite : 1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Applied Mineralogy 4 -Athena 5 - Crocoite.com Mineral Locations 6 - EUROmin Project 7 - Franklin Minerals(Dunn) 8 - Franklin Minerals(Palache) 9 - Glendale Community College 10 -Google Images 11 -Google Scholar 12 -Handbook of Mineralogy (MinSocAm) 13 -Handbook of Mineralogy (UofA) 14 - HyperPhysics 15 -MinDAT 16 -MinMax(Deutsch) 17 -MinMax(English) 18 - Mineral and Gemstone Kingdom 19 -Mineralienatlas (Deutsch) 20 - Philatelic Mineralogy 21 -QUT Mineral Atlas 22 - Scandinavian mineral gallery 23 - Tradeshop.com - The Rainbow of Gems 24 -University of Colorado - Mineral Structure Data 25 - WWW-MINCRYST 26 -École des Mines de Paris Search for Rhodonite using: Visit our Advertisers for Rhodonite : Translate Rhodonite Mineral Data : Ask about Rhodonite here : Print or Cut-and-Paste your Rhodonite Specimen Label here :
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