Ferricopiapite Mineral Data

Ferricopiapite Mineral Data +

General Ferricopiapite Information

Chemical Formula:

Fe+++2/3Fe+++4(SO4)6(OH)2·20(H2O)

Composition:

Molecular Weight = 1,231.32 gm

Iron 21.17 % Fe 30.26 % Fe₂O₃

Hydrogen 3.44 % H 30.72 % H₂O

Sulfur 15.63 % S 39.01 % SO₃

Oxygen 59.77 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe³⁺_0.6666Fe³⁺₄(SO₄)₆(OH)₂·20(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1938

Locality:

Link to MinDat.org Location Data.

Ferricopiapite Image

Images:

Ferricopiapite

Comments: Earthy, yellow ferricopiapite, variety chalcanthite.
Location: Bisbee, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Ferricopiapite Goldichite Coquimbite

Comments: Prismatic to fibrous crystals of goldichite on white massive coquimbite with yellow ferricopiapite.
Location: Dexter No. 7 Mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferricopiapite Crystallography

Axial Ratios:

a:b:c =0.4027:1:0.3989

Cell Dimensions:

a = 7.394, b = 18.36, c = 7.324, Z = 1; alpha = 93.8°, beta = 102.2°, gamma = 98.9° V = 958.00 Den(Calc)= 2.13

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 9.06(1), 3.58(0.8), 5.58(0.8),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Majzlan J , Navrotsky A , McCleskey R B , Alpers C N , European Journal of Mineralogy , 18 (2006) p.175-186, Thermodynamic properties and crystal structure refinement of, ferricopiapite, coquimbite, rhomboclase, and Fe2(SO4)3(H2O)5, Locality: synthetic

Physical Properties of Ferricopiapite

Cleavage:

[???] Perfect

Color:

Yellow, Orange.

Density:

2.1

Diaphaniety:

Transparent to Translucent

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Pearly

Streak:

light yellow

Optical Properties of Ferricopiapite

Gladstone-Dale:

CI meas= -0.058 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.043 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2805,KPDmeas= 0.2845,KC= 0.2688

Optical Data:

Biaxial (+), a=1.575, g=1.62, bire=0.0450, 2V(Meas)=74.

Calculated Properties of Ferricopiapite

Electron Density:

r_electron=2.17 gm/cc
note: r_{Ferricopiapite}=2.13 gm/cc.

Fermion Index

Fermion Index = 0.00595
Boson Index = 0.99405

Photoelectric:

PE_{Ferricopiapite}= 7.09 barns/electron
U=PE_{Ferricopiapite} x r_electron= 15.39 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ferricopiapite is Not Radioactive

Ferricopiapite Classification

Dana Class:

31.10.5.4 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.10)miscellaneous

(31.10.5)Copiapite Group

31.10.5.1 Copiapite FeFe4(SO4)6(OH)2·20(H2O) P1 1

31.10.5.2 Magnesiocopiapite MgFe4(SO4)6(OH)2·20(H2O) P1 1

31.10.5.3 Cuprocopiapite CuFe4(SO4)6(OH)2·20(H2O) P1 1

31.10.5.4 Ferricopiapite Fe2/3Fe4(SO4)6(OH)2·20(H2O) P1 1

31.10.5.5 Calciocopiapite CaFe4(SO4)6(OH)2·19(H2O) P1 1

31.10.5.6 Zincocopiapite ZnFe4(SO4)6(OH)2·18(H2O) P1 1

31.10.5.7 Aluminocopiapite Al2/3Fe4(SO4)6O(OH)2·20(H2O) P1 1

Strunz Class:

VI/D.10-90 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size

VI/D.10 - Copiapite group, Botryogen - Chaidamuite

VI/D.10-10 Botryogen MgFe(SO4)2(OH)·7(H2O) P 2₁/n 2/m

VI/D.10-20 Zincobotryogen (Zn,Mg,Mn)Fe(SO4)2(OH)·7(H2O) P 2₁/n 2/m

VI/D.10-30 Calciocopiapite CaFe4(SO4)6(OH)2·19(H2O) P1 1

VI/D.10-40 Magnesiocopiapite MgFe4(SO4)6(OH)2·20(H2O) P1 1

VI/D.10-50 Copiapite FeFe4(SO4)6(OH)2·20(H2O) P1 1

VI/D.10-60 Cuprocopiapite CuFe4(SO4)6(OH)2·20(H2O) P1 1

VI/D.10-70 Zincocopiapite ZnFe4(SO4)6(OH)2·18(H2O) P1 1

VI/D.10-80 Aluminocopiapite Al2/3Fe4(SO4)6O(OH)2·20(H2O) P1 1

VI/D.10-90 Ferricopiapite Fe2/3Fe4(SO4)6(OH)2·20(H2O) P1 1

VI/D.10-100 Guildite CuFe(SO4)2(OH)·4(H2O) P 2₁/m 2/m

VI/D.10-110 Chaidamuite (Zn,Fe)Fe(SO4)2(OH)·4(H2O) P1 1

Other Ferricopiapite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Ferricopiapite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

Search for Ferricopiapite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferricopiapite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Ferricopiapite Mineral Data :

Ask about Ferricopiapite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Ferricopiapite

Fe+++2/3Fe+++4(SO4)6(OH)2·20(H2O)
Dana No: 31.10.5.4 Strunz No: VI/D.10-90
Locality:

Notes: