Hoganite Mineral Data

Hoganite Mineral Data

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General Hoganite Information

Chemical Formula:

Cu(CH3COO)2·H2O

Composition:

Molecular Weight = 201.35 gm

Iron 0.28 % Fe

Copper 31.56 % Cu

Hydrogen 3.95 % H

Carbon 23.92 % C

Oxygen 40.29 % O

______

100.00 %

Empirical Formula:

C_4.01H_7.9O_5.07CuFe²⁺_0.01

Environment:

Secondary mineral in a gossen in contact with decaying leaf litter.

IMA Status:

Approved IMA 2002 (Dana # Added)

Locality:

Potosi open pit, Broken Hill, New South Wales, Australia. Link to MinDat.org Location Data.

Name Origin:

Named for Graham P. Hogan (1957-) who collected the mineral.

Synonym:

IMA2001-029

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Hoganite Crystallography

Axial Ratios:

a:b:c =1.6234:1:1.5474

Cell Dimensions:

a = 13.845, b = 8.528, c = 13.197, Z = 8; beta = 117.1° V = 1,387.10 Den(Calc)= 1.93

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 6.921(1)(011), 5.87(0.9), 3.532(0.28)(202,402),6.176(0.14)(200), 3.592(0.11)(122), 2.278(0.1), 5.38(0.1),

Physical Properties of Hoganite

Cleavage:

[001] Perfect, [110] Distinct

Color:

Bluish green.

Diaphaniety:

Transparent

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Habit:

Tabular - Form dimensions are thin in one direction.

Habit:

Water Soluble - Water soluble mineral.

Hardness:

1.5 - Between Talc and Gypsum

Luster:

Vitreous (Glassy)

Streak:

pale blue

Optical Properties of Hoganite

Optical Data:

Biaxial (+), a=1.533, b=1.541, g=1.554, bire=0.0210, 2V(Calc)=78, 2V(Meas)=85. Dispersion medium, r < v.

Calculated Properties of Hoganite

Electron Density:

r_electron=1.95 gm/cc
note: r_Hoganite=1.93 gm/cc.

Fermion Index

Fermion Index = 0.00288
Boson Index = 0.99712

Photoelectric:

PE_Hoganite= 13.40 barns/electron
U=PE_Hoganite x r_electron= 26.14 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hoganite is Not Radioactive

Hoganite Classification

Dana Class:

50.2.7.1 (50)Salts of Organic Acids

(50.2)(Mellitates, Citrates, Cyanates, and Acetates)

(50.2.7)Dana Group

50.2.7.1 Hoganite ! Cu(CH3COO)2·H2O C 2/c 2/m

50.2.7.2 Paceite! CaCu(CH3COO)4·6(H2O) I 4/m 4/m

Strunz Class:

IX/A.02-16 IX - Organic compunds

IX/A - Salts from organic acids. Other organic salts, a.o. mellates and citrates.

IX/A.02 - Mellite - Abelsonite (?) series

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

Other Hoganite Information

References:

NAME( AmMin, Vol 88, p 476) PHYS. PROP.(AmMin, Vol 88, p 476) OPTIC PROP.(AmMin, Vol 88, p 476)

See Also:

Links to other databases for Hoganite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 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

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Print or Cut-and-Paste your Hoganite Specimen Label here :

Hoganite

Cu(CH3COO)2·H2O
Dana No: 50.2.7.1 Strunz No: IX/A.02-16
Locality:

Notes: