Hydrohetaerolite Mineral Data

General Hydrohetaerolite Information

Chemical Formula:

Zn2Mn+++4O8•(H2O)

Composition:

Molecular Weight = 496.54 gm

Manganese 44.26 % Mn 63.59 % Mn₂O₃

Zinc 26.34 % Zn 32.78 % ZnO

Hydrogen 0.41 % H 3.63 % H₂O

Oxygen 29.00 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Zn₂Mn³⁺₄O₈•(H₂O)

Environment:

Oxidized manganese-bearing zinc deposits.

IMA Status:

Valid Species (Pre-IMA) 1929

Locality:

Wolftone mine, Leadville, Lake Co., Colorado, USA. Link to MinDat.org Location Data.

Name Origin:

Named for a HYDROus mineral, and its relation to hetaerolite.

Name Pronunciation:

Hydrohetaerolite + Pronunciation

Hydrohetaerolite Image

Images:

Hydrohetaerolite

Comments: Dull brown patches of hydrohetaerolite in franklinite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrohetaerolite Crystallography

Axial Ratios:

a:c = 1:1.57018

Cell Dimensions:

a = 5.735, c = 9.005, Z = 2; V = 296.18 Den(Calc)= 5.57

Crystal System:

Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 4₁/amd

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

By Intensity(I/I_o): 2.47(1), 2.66(0.8), 3.02(0.7),

Physical Properties of Hydrohetaerolite

Cleavage:

{???} Good

Color:

Brownish black, Dark brown.

Density:

4.64

Diaphaneity:

Opaque

Habit:

Botryoidal - "Grape-like" rounded forms (e.g.. malachite).

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Habit:

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

Hardness:

5-6 - Between Apatite and Orthoclase

Luminescence:

Non-fluorescent.

Luster:

Sub Metallic

Magnetism:

Nonmagnetic

Streak:

dark brown

Optical Properties of Hydrohetaerolite

Gladstone-Dale:

CI meas= 0.005 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.171 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2118,KPDmeas= 0.2543,KC= 0.2555
Ncalc = 2.19 - 2.42

Optical Data:

Uniaxial (-), e=2.1, w=2.26, bire=0.1600.

Calculated Properties of Hydrohetaerolite

Electron Density:

Bulk Density (Electron Density)=4.37 gm/cc
note: Specific Gravity of Hydrohetaerolite =4.64 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Hydrohetaerolite}= 24.97 barns/electron
U=PE_{Hydrohetaerolite} x rElectron Density= 109.22 barns/cc.

Radioactivity:

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

Hydrohetaerolite Classification

Dana Class:

07.02.07.03 (07)Multiple Oxides

(07.02)(A+ B++)2 X4 Spinel group

(07.02.07)Dana Group

07.02.07.01 Hausmannite MnMn2O4 I 4₁/amd 4/m 2/m 2/m

07.02.07.02 Hetaerolite ZnMn2O4 I 4₁/amd 4/m 2/m 2/m

07.02.07.03 Hydrohetaerolite Zn2Mn4O8•(H2O) I 4₁/amd 4/m 2/m 2/m

Strunz Class:

04.BB.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.B - Metal:Oxygen = 3:4 and similar

04.BB -With only medium-sized cations

04.BB.10 Hausmannite MnMn2O4 I 4₁/amd 4/m 2/m 2/m

04.BB.10 Iwakiite Mn(Fe,Mn)2O4 P 4₁/nnm 4/m 2/m 2/m

04.BB.10 Hydrohetaerolite Zn2Mn4O8•(H2O) I 4₁/amd 4/m 2/m 2/m

04.BB.10 Hetaerolite ZnMn2O4 I 4₁/amd 4/m 2/m 2/m

Other Hydrohetaerolite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Hydrohetaerolite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - Franklin Minerals(Palache)
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info

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Print or Cut-and-Paste your Hydrohetaerolite Specimen Label here :

Hydrohetaerolite

Zn2Mn+++4O8•(H2O)
Dana No: 07.02.07.03 Strunz No: 04.BB.10
Locality:

Notes:

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