Glaukosphaerite Mineral Data

Glaukosphaerite Mineral Data +

General Glaukosphaerite Information

Chemical Formula:

(Cu,Ni)2(CO3)(OH)2

Composition:

Molecular Weight = 218.69 gm

Copper 43.59 % Cu 54.56 % CuO

Nickel 13.42 % Ni 17.08 % NiO

Hydrogen 0.92 % H 8.24 % H₂O

Carbon 5.49 % C 20.12 % CO₂

Oxygen 36.58 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu_1.5Ni_0.5(CO₃)(OH)₂

IMA Status:

Approved IMA 1974

Locality:

Link to MinDat.org Location Data.

Glaukosphaerite Image

Images:

Glaukosphaerite

Comments: Green botryoidal crust of glaukosphaerite.
Location: Carr-Boyd Nickel Mine, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaukosphaerite Crystallography

Axial Ratios:

a:b:c =0.7829:1:0.2573

Cell Dimensions:

a = 9.34, b = 11.93, c = 3.07, Z = 4; beta = 90° V = 342.08 Den(Calc)= 4.25

Crystal System:

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

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

By Intensity(I/I_o): 2.587(1), 3.68(0.7), 2.516(0.4),

Physical Properties of Glaukosphaerite

Cleavage:

[???] Good

Color:

Green.

Density:

3.78

Diaphaniety:

Transparent to Translucent

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous - Dull

Optical Properties of Glaukosphaerite

Gladstone-Dale:

CI meas= -0.072 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.046 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1843,KPDmeas= 0.2072,KC= 0.1933

Optical Data:

Biaxial (-), a=1.69, b=1.83, g=1.83, bire=0.1400

Calculated Properties of Glaukosphaerite

Electron Density:

r_electron=4.10 gm/cc
note: r_{Glaukosphaerite}=4.25 gm/cc.

Fermion Index

Fermion Index = 0.00229
Boson Index = 0.99771

Photoelectric:

PE_{Glaukosphaerite}= 24.51 barns/electron
U=PE_{Glaukosphaerite} x r_electron= 100.52 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Glaukosphaerite is Not Radioactive

Glaukosphaerite Classification

Dana Class:

16a.3.1.2 (16a)Carbonates - Hydroxyl or Halogen

(16a.3)where (A B)2 (XO3) Zq

(16a.3.1)Rosasite Group

16a.3.1.1 Rosasite (Cu,Zn)2(CO3)(OH)2 P 2₁/a 2/m

16a.3.1.2 Glaukosphaerite (Cu,Ni)2(CO3)(OH)2 P 2₁/a 2/m

16a.3.1.3 Kolwezite (Cu,Co)2(CO3)(OH)2 P1 or P1 Tri

16a.3.1.4 Zincrosasite (Zn,Cu)2(CO3)(OH)2 P 2₁/a 2/m

16a.3.1.5 Mcguinnessite (Mg,Cu)2(CO3)(OH)2 P 2/a or P 2₁/a 2/m

Strunz Class:

V/C.01-60 V - Nitrates, Carbonates and Borates

V/C - Waterfree carbonates with unfamiliar anions

V/C.01 - Azurite - Rosasite group and related compounds

V/C.01-10 Azurite Cu3(CO3)2(OH)2 P 2₁/a 2/m

V/C.01-20 Malachite Cu2(CO3)(OH)2 P 2₁/a 2/m

V/C.01-25 Georgeite Cu5(CO3)3(OH)4·6(H2O) None

V/C.01-30 Pokrovskite Mg2(CO3)(OH)2·0.5(H2O) P 2₁/a 2/m

V/C.01-40 Mcguinnessite (Mg,Cu)2(CO3)(OH)2 P 2/a or P 2₁/a 2/m

V/C.01-50 Kolwezite (Cu,Co)2(CO3)(OH)2 P1 or P1 Tri

V/C.01-60 Glaukosphaerite (Cu,Ni)2(CO3)(OH)2 P 2₁/a 2/m

V/C.01-70 Nullaginite Ni2(CO3)(OH)2 P 2₁/m,P 2₁ Mono

V/C.01-80 Rosasite (Cu,Zn)2(CO3)(OH)2 P 2₁/a 2/m

V/C.01-90 Zincrosasite (Zn,Cu)2(CO3)(OH)2 P 2₁/a 2/m

V/C.01-100 Hydrozincite Zn5(CO3)2(OH)6 C 2/m 2/m

V/C.01-105 Brianyoungite Zn3(CO3,SO4)(OH)4 C 2/m 2/m

V/C.01-110 Aurichalcite (Zn,Cu)5(CO3)2(OH)6 P 2₁/m 2/m

V/C.01-120 Loseyite (Mn,Zn)7(CO3)2(OH)10 A2/a 2/m

V/C.01-130 Sclarite (Zn,Mg,Mn)4Zn3(CO3)2(OH)10 A2/a 2/m

Other Glaukosphaerite 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 Glaukosphaerite :
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

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Glaukosphaerite

(Cu,Ni)2(CO3)(OH)2
Dana No: 16a.3.1.2 Strunz No: V/C.01-60
Locality:

Notes: