Earlandite Mineral Data + 
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- 50.2.2.1 Earlandite Ca3(C6H5O7)·4(H2O) Unk Mono
- IX/A.02-03 Dashkovaite! Mg(HCOO)2·2(H2O) P 21/c 2/m
- IX/A.02-05 Formicaite! Ca(HCOO)2 P 41212 4 2 2
- IX/A.02-10 Mellite Al2[C6(COO)6]·16(H2O) P 4122,P 4322 4 2 2
- IX/A.02-16 Hoganite! Cu(CH3COO)2·H2O C 2/c 2/m
- IX/A.02-18 Paceite! CaCu(CH3COO)4·6(H2O) I 4/m 4/m
- IX/A.02-20 Calclacite Ca[Cl2/CH3COO]·10(H2O) P 21/a 2/m
- IX/A.02-30 Earlandite Ca3(C6H5O7)·4(H2O) Unk Mono
- IX/A.02-40 Kafehydrocyanite* K4Fe(CN)6·3(H2O) I 41/a 4/m
- IX/A.02-50 Julienite* Na2Co(SCN)4·8(H2O) P 41/n 4/m
- IX/A.02-60 Abelsonite NiC31H32N4 P1 or P1 Tri
General Earlandite Information |
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 Chemical Formula: |
Ca3(C6H5O7)·4(H2O) | ||
| Composition: |
Molecular Weight = 570.50 gm | ||
| Calcium 21.08 % Ca | |||
| Hydrogen 3.18 % H | |||
| Carbon 25.26 % C | |||
| Oxygen 50.48 % O | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Ca32(C6)2(H5)2(O7)·4(H2O) | ||
| Environment: |
Ocean bottom sample at 2,580 meters. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1936 | ||
| Locality: |
Weddell sea, Antarctica. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Arthur Earland, English oceanographer. | ||
| Synonym: |
Sodium Citrate | ||
Search for Earlandite Images | |||
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Images:
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Earlandite Crystallography |
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| Axial Ratios: |
a:b:c =5.2175:1:1.7807 | ||
| Cell Dimensions: |
a = 30.94, b = 5.93, c = 10.56, Z = 4; beta = 93.74° V = 1,933.36 Den(Calc)= 1.96 | ||
| Crystal System: |
MonoclinicSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 15.5(1), 7.7(0.5), 5.2(0.35), | ||
Physical Properties of Earlandite |
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| Color: |
White, Light yellow. | ||
| Density: |
1.95 | ||
| Habit: |
Nodular - Tuberose forms having irregular protuberances over the surface. | ||
| Streak: |
white | ||
Optical Properties of Earlandite |
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| Optical Data: |
Biaxial (+), a=1.52, b=1.53, g=1.58, bire=0.0600, 2V(Calc)=50, 2V(Meas)=60. | ||
Calculated Properties of Earlandite |
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| Electron Density: |
relectron=2.02 gm/cc |
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| Fermion Index |
Fermion Index = 0.00331 Boson Index = 0.99669 |
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| Photoelectric: |
PEEarlandite = 2.72 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Earlandite is Not Radioactive |
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Earlandite Classification |
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| Dana Class: |
50.2.2.1 (50)Salts of Organic Acids | ||
| (50.2)(Mellitates, Citrates, Cyanates, and Acetates) | |||
| (50.2.2)Dana Group | |||
| Strunz Class: |
IX/A.02-30 IX - Organic compunds | ||
| IX/A - Salts from organic acids. Other organic salts, a.o. mellates and citrates. | |||
| IX/A.02 - Mellite - Abelsonite (?) series | |||
Other Earlandite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Earlandite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Earlandite using: Visit our Advertisers for Earlandite : Translate Earlandite Mineral Data : Ask about Earlandite here : Print or Cut-and-Paste your Earlandite Specimen Label here :
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