Hauckite Mineral Data

Hauckite Mineral Data +

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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 % Fe₂O₃

Hydrogen 2.04 % H 18.27 % H₂O

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:

Mg₁₈Mn²⁺₆Zn₁₈Fe³⁺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.

Hauckite Image

Images:

Hauckite

Comments: Orange-yellow crystalline hauckite with pink calcite and black franklinite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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 DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmm

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

By Intensity(I/I_o): 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

Diaphaniety:

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

Optical Data:

Uniaxial (+), w=1.63, e=1.638, bire=0.0080.

Calculated Properties of Hauckite

Electron Density:

r_electron=2.96 gm/cc
note: r_Hauckite=3.01 gm/cc.

Fermion Index

Fermion Index = 0.02443
Boson Index = 0.97557

Photoelectric:

PE_Hauckite= 18.14 barns/electron
U=PE_Hauckite x r_electron= 53.73 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hauckite is Not Radioactive

Hauckite Classification

Dana Class:

32.3.4.1 (32)Compound Sulfates

(32.3)(anhydrous) with poly-anionic formula

(32.3.4)Dana Group

32.3.4.1 Hauckite (Mg,Mn)24Zn18Fe3(SO4)4(CO3)2(OH)81(?) P 6/mmm 6/m 2/m 2/m

32.3.4.2 Philolithite! Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 P 4₁/nnm 4/m 2/m 2/m

Strunz Class:

VI/D.04-50 VI - Sulfates,Chromates,Molybdates and Tungstates

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

VI/D.04 - Mooreite - Hauckite series

VI/D.04-10 Mooreite (Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O) P 2₁/a 2/m

VI/D.04-20 Torreyite (Mg,Mn)9Zn4(SO4)2(OH)22·8(H2O) P 2₁/a 2/m

VI/D.04-30 Lawsonbauerite (Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O) P 2₁/c 2/m

VI/D.04-50 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)

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Hauckite

(Mg,Mn++)24Zn18Fe+++3(SO4)4(CO3)2(OH)81 (?)
Dana No: 32.3.4.1 Strunz No: VI/D.04-50
Locality:

Notes: