Bieberite Mineral Data

Bieberite Mineral Data +

[Mineral Specimens] [Our best] [Rare specimens] [Latest updates] [Home Page]
Fine Minerals, Moldavites, Jewellery, Meteorites and Fossils
Rockshop.cz is based in Prague, Czech republic

General Bieberite Information

Chemical Formula:

CoSO4·7(H2O)

Composition:

Molecular Weight = 281.10 gm

Cobalt 20.96 % Co 26.66 % CoO

Hydrogen 5.02 % H 44.86 % H₂O

Sulfur 11.41 % S 28.48 % SO₃

Oxygen 62.61 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Co(SO₄)·7(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1845

Locality:

Bieber, Hessen, Germany. Link to MinDat.org Location Data.

Name Origin:

Named after its original locality.

Synonym:

Colbalt Vitrol

ICSD 71454

PDF 16-487

Bieberite Image

Images:

Bieberite

Comments: Pink crust of bieberite with dark blue chalcanthite.
Location: Katanga, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bieberite Crystallography

Axial Ratios:

a:b:c =2.1572:1:1.6793

Cell Dimensions:

a = 14.13, b = 6.55, c = 11, Z = 4; beta = 105.083° V = 982.99 Den(Calc)= 1.90

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 4.87(1), 3.76(0.75), 4.82(0.55),

Physical Properties of Bieberite

Cleavage:

[001] Perfect

Color:

Pinkish red, Flesh pink.

Density:

1.9

Diaphaniety:

Translucent

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).

Hardness:

2 - Gypsum

Luster:

Vitreous - Dull

Streak:

white

Optical Properties of Bieberite

Gladstone-Dale:

CI meas= -0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2542,KPDmeas= 0.2542,KC= 0.2507

Optical Data:

Biaxial (-), a=1.477, b=1.483, g=1.489, bire=0.0120, 2V(Calc)=88, 2V(Meas)=88.

Calculated Properties of Bieberite

Electron Density:

r_electron=1.96 gm/cc
note: r_Bieberite=1.90 gm/cc.

Fermion Index

Fermion Index = 0.00116
Boson Index = 0.99884

Photoelectric:

PE_Bieberite= 7.49 barns/electron
U=PE_Bieberite x r_electron= 14.67 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Bieberite is Not Radioactive

Bieberite Classification

Dana Class:

29.6.10.4 (29)Hydrated Acid and Sulfates

(29.6)where A XO4 · x(H2O)

(29.6.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c)

29.6.10.1 Melanterite FeSO4·7(H2O) P 2₁/c 2/m

29.6.10.2 Boothite CuSO4·7(H2O) P 2₁/c 2/m

29.6.10.3 Zinc-melanterite (Zn,Cu,Fe)SO4·7(H2O) P 2₁/c 2/m

29.6.10.4 Bieberite CoSO4·7(H2O) P 2₁/c 2/m

29.6.10.5 Mallardite MnSO4·7(H2O) P 2₁/c 2/m

29.6.10.6 IMA2003-040! (Mg,Cu)SO4·7H2O P 2₁/c 2/m

Strunz Class:

VI/C.06-30 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/C - Water-bearing sulfates without unfamiliar anions. cations of medium size

VI/C.06 - Melanterite group

VI/C.06-10 Melanterite FeSO4·7(H2O) P 2₁/c 2/m

VI/C.06-20 Mallardite MnSO4·7(H2O) P 2₁/c 2/m

VI/C.06-30 Bieberite CoSO4·7(H2O) P 2₁/c 2/m

VI/C.06-40 Boothite CuSO4·7(H2O) P 2₁/c 2/m

VI/C.06-50 Zinc-melanterite (Zn,Cu,Fe)SO4·7(H2O) P 2₁/c 2/m

Other Bieberite Information

References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)

See Also:

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

Search for Bieberite using:

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

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

Translate Bieberite Mineral Data :

Ask about Bieberite 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 Bieberite Specimen Label here :

Bieberite

CoSO4·7(H2O)
Dana No: 29.6.10.4 Strunz No: VI/C.06-30
Locality:

Notes: