Hauckite Mineral Data
General Hauckite Information
Chemical Formula:
(Mg,Mn++)24Zn18Fe+++3(SO4)4(CO3)2(OH)81 (?)
Composition:
Molecular Weight = 3,993.55 gm
Magnesium 10.95 % Mg 18.17 % MgO
Manganese 8.25 % Mn 10.66 % MnO
Zinc 29.47 % Zn 36.68 % ZnO
Iron 4.20 % Fe 6.00 % Fe2 O3
Hydrogen 2.04 % H 18.27 % H2 O
Carbon 0.60 % C 2.20 % CO2
Sulfur 3.21 % S 8.02 % SO3
Oxygen 41.27 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Mg18 Mn2+ 6 Zn18 Fe3+ 3 (SO4 )4 (CO3 )2 (OH)81
Environment:
Secondary mineral associated with phlogopite and mooreite on a calcite-serpentine matrix.
IMA Status:
Approved IMA 1980
Locality:
Sterling Hill mine, Ogdensburg, NJ, USA. Link to MinDat.org Location Data.
Name Origin:
Named in 1980 for Richard Hauck, (1935-), New Jersey mineral collector.
Name Pronunciation:
Hauckite
Hauckite Image
Images:
Hauckite Crystallography
Axial Ratios:
a:c = 1:3.29443
Cell Dimensions:
a = 9.17, c = 30.21, Z = 1; V = 2,199.99 Den(Calc)= 3.01
Crystal System:
Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmm
X Ray Diffraction:
By Intensity(I/Io ): 3.96(1), 7.8(0.9), 4.57(0.6),
Physical Properties of Hauckite
Cleavage:
{0001} Perfect
Color:
Bright orange, Light yellow.
Density:
3.02 - 3.1, Average = 3.06
Diaphaneity:
Transparent
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Platy - Sheet forms (e.g. micas).
Hardness:
2-3 - Gypsum-Calcite
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Pearly
Streak:
light yellow
Optical Properties of Hauckite
Dichroism (e):
golden brown.
Dichroism (w):
pale yellow.
Gladstone-Dale:
CI meas = 0.037 (Excellent) - where the CI = (1-KPDmeas /KC ) CI calc = 0.021 (Excellent) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2106,KPDmeas = 0.2072,KC = 0.2151 Ncalc = 1.65 - 1.67
Optical Data:
Uniaxial (+), w=1.63, e=1.638, bire=0.0080.
Calculated Properties of Hauckite
Electron Density:
Bulk Density (Electron Density)=2.96 gm/cc note: Specific Gravity of Hauckite =3.01 gm/cc.
Fermion Index:
Fermion Index = 0.02 Boson Index = 0.98
Photoelectric:
PEHauckite = 18.14 barns/electronU=PEHauckite x r Electron Density= 53.73 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hauckite is Not Radioactive
Hauckite Classification
Dana Class:
32.03.04.01 (32) Compound Sulfates
(32.03) (anhydrous) with poly-anionic formula
(32.03.04) Dana Group
32.03.04.01 Hauckite (Mg,Mn)24Zn18Fe3(SO4)4(CO3)2(OH)81(?) P 6/mmm 6/m 2/m 2/m
32.03.04.02 Philolithite ! Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 P 41 /nnm 4/m 2/m 2/m
Strunz Class:
07.BB.10 07 - SULFATES (SELENATES, TELLURATES)
07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
07.BB -With medium-sized cations
07.BB.10 Hauckite (Mg,Mn)24Zn18Fe3(SO4)4(CO3)2(OH)81(?) P 6/mmm 6/m 2/m 2/m
Other Hauckite Information
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
See Also:
Links to other databases for Hauckite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
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Print or Cut-and-Paste your Hauckite Specimen Label here :
Hauckite
(Mg,Mn++)24Zn18Fe+++3(SO4)4(CO3)2(OH)81 (?)
Dana No: 32.03.04.01 Strunz No: 07.BB.10
Locality:
Notes:
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