Glaucocerinite Mineral Data

Glaucocerinite Mineral Data +

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General Glaucocerinite Information

Chemical Formula:

(Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O)

Composition:

Molecular Weight = 982.56 gm

Aluminum 8.24 % Al 15.57 % Al₂O₃

Zinc 19.97 % Zn 24.85 % ZnO

Copper 12.93 % Cu 16.19 % CuO

Hydrogen 3.49 % H 31.17 % H₂O

Sulfur 4.90 % S 12.22 % SO₃

Oxygen 50.48 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Zn₃Cu₂Al₃(SO₄)_1.5(OH)₁₆·9(H₂O)

Environment:

Ancient lead slags.

IMA Status:

Valid Species (Pre-IMA) 1932

Locality:

Laurium, Greece. Link to MinDat.org Location Data.

Name Origin:

Named from the Greek for "blue" and "waxlike".

Glaucocerinite Image

Images:

Glaucocerinite

Comments: Botryoidal crust of blue glaucocerinite.
Location: Mina Serpieri, Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Glaucocerinite Crystallography

Axial Ratios:

a:c = 1:10.63788

Cell Dimensions:

a = 3.057, c = 32.52, Z = 0.375; V = 263.19 Den(Calc)= 2.32

Crystal System:

TrigonalSpace Group: Unk (HEX-R)

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

By Intensity(I/I_o): 10.9(1), 5.45(0.9), 3.63(0.8),

Physical Properties of Glaucocerinite

Cleavage:

[???] Perfect

Color:

White, Sky blue, Gray, Greenish, Brownish.

Density:

2.4

Diaphaniety:

Transparent

Habit:

Aggregates - Made of numerous individual crystals or clusters.

Habit:

Nodular - Tuberose forms having irregular protuberances over the surface.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Hardness:

1 - Talc

Luster:

Waxy

Streak:

bluish white

Optical Properties of Glaucocerinite

Gladstone-Dale:

CI meas= -0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.05 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2379,KPDmeas= 0.23,KC= 0.2266

Optical Data:

Biaxial (-), a=1.54, b=1.554, g=1.562, bire=0.0220, 2V(Calc)=72, 2V(Meas)=60.

Calculated Properties of Glaucocerinite

Electron Density:

r_electron=2.41 gm/cc
note: r_{Glaucocerinite}=2.40 gm/cc.

Fermion Index

Fermion Index = 0.0088
Boson Index = 0.9912

Photoelectric:

PE_{Glaucocerinite}= 15.58 barns/electron
U=PE_{Glaucocerinite} x r_electron= 37.53 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Glaucocerinite is Not Radioactive

Glaucocerinite Classification

Dana Class:

31.4.8.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen

(31.4)where (A+ B++)4 (XO4) Zq·x(H2O)

(31.4.8)Dana Group

31.4.8.1 Glaucocerinite (Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O) Unk (HEX-R) Trig

31.4.8.2 Natroglaucocerinite! (Na,Zn,Cu)10Al6(SO4)3(OH)32·18(H2O)? Unk

Strunz Class:

VI/D.08-110 VI - Sulfates,Chromates,Molybdates and Tungstates

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

VI/D.08 - Spangolite - Glaucocerinite series

VI/D.08-05 Bechererite! (Zn,Cu)6Zn2(OH)13[(S,Si)(O,OH)4]2 P 3 3

VI/D.08-10 Spangolite Cu6Al(SO4)(OH)12Cl·3(H2O) P 3₁c 3m

VI/D.08-20 Cyanotrichite Cu4Al2(SO4)(OH)12·2(H2O) Unk Ortho

VI/D.08-30 Carbonate-cyanotrichite Cu4Al2(CO3,SO4)(OH)12·2(H2O) Unk Ortho

VI/D.08-35 Camerolaite Cu4Al2[HSbO4,SO4](OH)10(CO3)·2(H2O) P 2₁ ? 2

VI/D.08-40 Woodwardite Cu4Al2(SO4)(OH)12·2-4(H2O) Unk Hex

VI/D.08-42 Hydrowoodwardite! Cu1-xAlx(OH)2(SO4)x/2·n(H2O)with0<x<0.67andn>3x/2 R 3m 3 2/m

VI/D.08-45 Zincowoodwardite! [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n] P 3- or R 3m 3

VI/D.08-45* Zincowoodwardite-1T! [Zn1BxAlx(OH)2][(SO4)x/2·n(H2O)],x=0.33,n.0.96 P 3 3

VI/D.08-45** Zincowoodwardite-3R! [Zn1BxAlx(OH)2][(SO4)x/2·n(H2O)],0.32<x<0.50,n=0.59 R 3m 3 2/m

VI/D.08-50 Chalcoalumite CuAl4(SO4)(OH)12·3(H2O) P 2₁ 2

VI/D.08-60 Nickelalumite (Ni,Cu)Al4[(SO4),(NO3)2](OH)12·3(H2O) P 2₁ 2

VI/D.08-70 Mbobomkulite (Ni,Cu)Al4(NO3,SO4)2(OH)12·3(H2O) P 2₁ 2

VI/D.08-80 Hydrombobomkulite (Ni,Cu)Al4(NO3,SO4)2(OH)12·14(H2O) Unk Mono

VI/D.08-90 Carrboydite (Ni,Cu)14Al9(SO4,CO3)6(OH)43·7(H2O) Unk Hex

VI/D.08-100 Zincaluminite Zn6Al6(SO4)2(OH)26·5(H2O) Unk Hex

VI/D.08-110 Glaucocerinite (Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O) Unk (HEX-R) Trig

Other Glaucocerinite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Glaucocerinite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 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 12 -École des Mines de Paris

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Glaucocerinite

(Zn,Cu)5Al3(SO4)1.5(OH)16·9(H2O)
Dana No: 31.4.8.1 Strunz No: VI/D.08-110
Locality:

Notes: