Gunningite Mineral Data

General Gunningite Information

Chemical Formula:

(Zn,Mn)SO4•(H2O)

Composition:

Molecular Weight = 176.86 gm

Manganese 7.77 % Mn 10.03 % MnO

Zinc 27.73 % Zn 34.52 % ZnO

Hydrogen 1.14 % H 10.19 % H₂O

Sulfur 18.13 % S 45.27 % SO₃

Oxygen 45.23 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Zn_0.75Mn²⁺_0.25(SO₄)•(H₂O)

Environment:

Occurrence in dry areas of the oxidized portions of sphalerite-bearing deposits; occurs also as a post-mining efflorescence on museum specimens.

IMA Status:

Approved IMA 1962

Locality:

Calumet mine, Galena Hill, Canada Link to MinDat.org Location Data.

Name Origin:

Named for Henry Cecil Gunning (1901-1991), Geological Survey of Canada and Professor of Geology, University of British Columbia, Vancouver, Canada.

Name Pronunciation:

Gunningite + Pronunciation

Synonym:

ICSD 71348

PDF 33-1476

Gunningite Image

Images:

Gunningite

Comments: White crust of gunningite on massive sulfide ore.
Location: Brunswick 12 Open Pit, Bathurst, New Brunswick, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gunningite Crystallography

Axial Ratios:

a:b:c =0.9965:1:0.9166

Cell Dimensions:

a = 7.56, b = 7.586, c = 6.954, Z = 4; beta = 115.933° V = 358.65 Den(Calc)= 3.28

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: A2/a

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

By Intensity(I/I_o): 3.42(1), 4.77(0.55), 3.07(0.45),

Physical Properties of Gunningite

Cleavage:

{???} Indistinct

Color:

White.

Density:

3.195

Diaphaneity:

Transparent to Translucent

Hardness:

2.5 - Finger Nail

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Gunningite

Gladstone-Dale:

CI meas= 0.02 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.045 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1805,KPDmeas= 0.1853,KC= 0.1891
Ncalc = 1.6 - 1.62

Optical Data:

Biaxial (+), a=1.57, b=1.576, g=1.63, bire=0.0600

Calculated Properties of Gunningite

Electron Density:

Bulk Density (Electron Density)=3.13 gm/cc
note: Specific Gravity of Gunningite =3.20 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Gunningite= 16.62 barns/electron
U=PE_Gunningite x rElectron Density= 52.09 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gunningite is Not Radioactive

Gunningite Classification

Dana Class:

29.06.02.05 (29)Hydrated Acid and Sulfates

(29.06)where A XO4 ï¿½ x(H2O)

(29.06.02)Kieserite Group (Mono-hydrates)

29.06.02.01 Kieserite MgSO4•(H2O) C 2/c 2/m

29.06.02.02 Szomolnokite FeSO4•(H2O) A2/a 2/m

29.06.02.03 Szmikite MnSO4•(H2O) A2/a 2/m

29.06.02.04 Poitevinite (Cu,Fe,Zn)SO4•(H2O) P1 1

29.06.02.05 Gunningite (Zn,Mn)SO4•(H2O) A2/a 2/m

29.06.02.06 Dwornikite (Ni,Fe)SO4•(H2O) C 2/c 2/m

29.06.02.07 Cobaltkieserite! CoSO4•H2O C 2/c 2/m

Strunz Class:

07.CB.05 07 - SULFATES (SELENATES, TELLURATES)

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CB -With only medium-sized cations

07.CB.05 Gunningite (Zn,Mn)SO4•(H2O) A2/a 2/m

07.CB.05 Dwornikite (Ni,Fe)SO4•(H2O) C 2/c 2/m

07.CB.05 Kieserite MgSO4•(H2O) C 2/c 2/m

07.CB.05 Poitevinite (Cu,Fe,Zn)SO4•(H2O) P1 1

07.CB.05 Szomolnokite FeSO4•(H2O) A2/a 2/m

07.CB.05 Szmikite MnSO4•(H2O) A2/a 2/m

07.CB.05 Cobaltkieserite! CoSO4•H2O C 2/c 2/m

Other Gunningite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Gunningite :
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
15 - WWW-MINCRYST

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Gunningite

(Zn,Mn)SO4•(H2O)
Dana No: 29.06.02.05 Strunz No: 07.CB.05
Locality:

Notes:

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