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 DipyramidalH-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

Search for Hydrohetaerolite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Hydrohetaerolite :

A Bijoux Google Search for Hydrohetaerolite
Adam's Minerals Google Search for Hydrohetaerolite
Cape Minerals Google Search for Hydrohetaerolite
Dakota Matrix Minerals Google Search for Hydrohetaerolite
Excalibur Mineral Corp. Google Search for Hydrohetaerolite
Exceptional Minerals Google Search for Hydrohetaerolite
John Betts Fine Minerals Search for Hydrohetaerolite
McDougall Minerals Google Search for Hydrohetaerolite
Mineral News Website Link
Rock and Mineral Shows Google Search for Hydrohetaerolite
Weinrich Minerals, Inc. Google Search for Hydrohetaerolite

Ask about Hydrohetaerolite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: