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Mellite Mineral Data |
General Mellite Information |
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Al2[C6(COO)6]•16(H2O) | ||
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Molecular Weight = 534.47 gm | ||
Aluminum 10.10 % Al 19.08 % Al2O3 | |||
Hydrogen 9.05 % H 80.90 % H2O | |||
Carbon 26.97 % C | |||
Oxygen 53.88 % O | |||
______ ______ | |||
100.00 % 99.97 % = TOTAL OXIDE | |||
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Al2C12H12•18(H2O) | ||
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Valid Species (Pre-IMA) 1793 | ||
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Arten, Th�ringen, Germany Link to MinDat.org Location Data. | ||
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From the Latin mel - "honey." | ||
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Mellite ![]() |
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ICSD 41122 | ||
PDF 42-1501 | |||
Mellite Image | |||
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Mellite Crystallography |
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a:c = 1:1.05887 | ||
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a = 21.91, c = 23.2, Z = 16; V = 11,137.12 Den(Calc)= 1.27 | ||
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Tetragonal - Trapezohedral H-M Symbol (4 2 2) Space Group: P 4122,P 4322 | ||
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By Intensity(I/Io): 7.99(1), 4.23(0.7), 5.8(0.55), | ||
Physical Properties of Mellite |
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{011} Imperfect | ||
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Brown, Brownish white, Colorless, Yellow, Golden brown. | ||
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1.55 - 1.65, Average = 1.6 | ||
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Transparent to Translucent | ||
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Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). | ||
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Crystalline - Coarse - Occurs as well-formed coarse sized crystals. | ||
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Massive - Granular - Common texture observed in granite and other igneous rock. | ||
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2-2.5 - Gypsum-Finger Nail | ||
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Fluorescent and Phosphorescent, Short UV=blue, Long UV=blue. | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Mellite |
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none. | ||
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none. | ||
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CI meas= -0.043 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.314 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.4134,KPDmeas= 0.3281,KC= 0.3145 Ncalc = 1.4 - 1.52 |
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Uniaxial (-), e=1.511, w=1.539, bire=0.0280. | ||
Calculated Properties of Mellite |
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Bulk Density (Electron Density)=1.74 gm/cc note: Specific Gravity of Mellite =1.60 gm/cc. |
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Fermion Index = 0.0032386455 Boson Index = 0.9967613545 |
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PEMellite = 0.49 barns/electron U=PEMellite x rElectron Density= 0.85 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Mellite is Not Radioactive |
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Mellite Classification |
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50.02.01.01 (50)Salts of Organic Acids | ||
(50.02)(Mellitates, Citrates, Cyanates, and Acetates) | |||
(50.02.01)Dana Group | |||
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10.AC.05 10 - ORGANIC COMPOUNDS | ||
10.A - Salts of Organic Acids | |||
10.AC -Benzene Salts | |||
Other Mellite Information |
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NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | ||
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Links to other databases for Mellite : 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 15 - WWW-MINCRYST Search for Mellite using: Visit our Advertisers for Mellite : Ask about Mellite here : Print or Cut-and-Paste your Mellite Specimen Label here :
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