Carrboydite Mineral Data
General Carrboydite Information
Chemical Formula:
(Ni,Cu)14Al9(SO4,CO3)6(OH)43•7(H2O)
Composition:
Molecular Weight = 2,445.61 gm
Aluminum 9.93 % Al 18.76 % Al2 O3
Copper 10.39 % Cu 13.01 % CuO
Nickel 24.00 % Ni 30.54 % NiO
Hydrogen 2.35 % H 20.99 % H2 O
Carbon 0.98 % C 3.60 % CO2
Sulfur 5.24 % S 13.10 % SO3
Oxygen 47.10 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Ni10 Cu4 Al9 (SO4 )4 (CO3 )2 (OH)43 •7(H2 O)
Environment:
Surface material at a nickel mine.
IMA Status:
Approved IMA 1976
Locality:
Carr Boyd Rocks, WA, Australia. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Carrboydite Image
Images:
Carrboydite Crystallography
Axial Ratios:
a:c = 1:1.13129
Cell Dimensions:
a = 18.28, c = 20.68, Z = 4; V = 5,984.58 Den(Calc)= 2.71
Crystal System:
Hexagonal Space Group: Unk
X Ray Diffraction:
By Intensity(I/Io ): 10.5(1), 5.25(0.8), 2.55(0.7), 1.51(0.6), 3.48(0.6), 2.07(0.4), 2.36(0.4), 2.62(0.4),
Physical Properties of Carrboydite
Color:
Blue green, Yellow green.
Density:
2.5
Habit:
Nodular - Tuberose forms having irregular protuberances over the surface.
Habit:
Platy - Sheet forms (e.g. micas).
Streak:
greenish white
Optical Properties of Carrboydite
Gladstone-Dale:
CI meas = -0.014 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = 0.064 (Fair) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.203,KPDmeas = 0.22,KC = 0.2169 Ncalc = 1.54 - 1.59
Optical Data:
Uniaxial (-), e=1.54, w=1.56, bire=0.0200.
Calculated Properties of Carrboydite
Electron Density:
Bulk Density (Electron Density)=2.50 gm/cc note: Specific Gravity of Carrboydite =2.50 gm/cc.
Fermion Index:
Fermion Index = 0.0034427967 Boson Index = 0.9965572033
Photoelectric:
PECarrboydite = 14.39 barns/electronU=PECarrboydite x r Electron Density= 35.95 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Carrboydite is Not Radioactive
Carrboydite Classification
Dana Class:
31.10.01.01 (31) Hydrated Sulfates Containing Hydroxyl or Halogen
(31.10) miscellaneous
(31.10.01) Dana Group
31.10.01.01 Carrboydite (Ni,Cu)14Al9(SO4,CO3)6(OH)43•7(H2O) Unk Hex
Strunz Class:
07.DD.35 07 - SULFATES (SELENATES, TELLURATES)
07.D - Sulfates (selenates, etc.) with additional anions, with H2O
07.DD -With only medium-sized cations; sheets of edge-sharing octahedra
07.DD.35 Carrboydite (Ni,Cu)14Al9(SO4,CO3)6(OH)43•7(H2O) Unk Hex
07.DD.35 Glaucocerinite (Zn,Cu)5Al3(SO4)1.5(OH)16•9(H2O) Unk (HEX-R) Trig
07.DD.35 Honessite Ni6Fe2(SO4)(OH)16•4(H2O) R 3 m 3 2/m
07.DD.35 Hydrowoodwardite ! Cu1-xAlx(OH)2(SO4)x/2•n(H2O)with0<x<0.67andn>3x/2 R 3 m 3 2/m
07.DD.35 Zincowoodwardite ! [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n] P 3- or R 3 m 3
07.DD.35 Hydrohonessite Ni6Fe2(SO4)(OH)16•7(H2O) Unk Hex
07.DD.35 Motukoreaite Na2Mg38Al24(CO3)13(SO4)8(OH)108•56(H2O) R 3 m 3 2/m
07.DD.35 Mountkeithite (Mg,Ni)11(Fe,Cr)3(SO4,CO3)3.5(OH)24•11(H2O) Unk Hex
07.DD.35 Shigaite Mn7Al4(SO4)2(OH)22•8(H2O) R 3 3
07.DD.35 Natroglaucocerinite ! (Na,Zn,Cu)10Al6(SO4)3(OH)32•18(H2O)? Unk
07.DD.35 Wermlandite (Ca,Mg)Mg7(Al,Fe)2(SO4)2(OH)18•12(H2O) P 3 c1 3 2/m
07.DD.35 Nikischerite ! NaFe6Al3(SO4)2(OH)18(H2O)12 R 3 3
07.DD.35 Zincaluminite Zn6Al6(SO4)2(OH)26•5(H2O) Unk Hex
07.DD.35 Woodwardite Cu4Al2(SO4)(OH)12•2-4(H2O) Unk Hex
07.DD.35 Zincowoodwardite-3R ! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)],0.32<x<0.50,n=0.59 R 3 m 3 2/m
07.DD.35 Zincowoodwardite-1T ! [Zn1BxAlx(OH)2][(SO4)x/2•n(H2O)],x=0.33,n.0.96 P 3 3
Other Carrboydite Information
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
See Also:
Links to other databases for Carrboydite :
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
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Carrboydite
(Ni,Cu)14Al9(SO4,CO3)6(OH)43•7(H2O)
Dana No: 31.10.01.01 Strunz No: 07.DD.35
Locality:
Notes:
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