Zincite Mineral Data

General Zincite Information

Chemical Formula:

(Zn,Mn)O

Composition:

Molecular Weight = 80.34 gm

Manganese 6.84 % Mn 8.83 % MnO

Zinc 73.25 % Zn 91.17 % ZnO

Oxygen 19.91 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Zn_0.9Mn²⁺_0.1O

Environment:

Metamorphosed weathered ore deposit.

IMA Status:

Valid Species (Pre-IMA) 1845

Locality:

Major zinc ore at Sterling Hill and Franklin, New Jersey. Link to MinDat.org Location Data.

Name Origin:

Named after its composition containing zinc (From the German, "zink").

Name Pronunciation:

Zincite

Synonym:

ICSD 31052

PDF 36-1451

Red Oxide of Zinc

Zincite Image

Images:

Zincite

Comments: Orange Zincite hexagonal pyramid.
Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Images:

Zincite Glaucochroite Willemite

Comments: Pinkish gray crystalline glaucochroite intermixed with pale green willemite, with dark red zincite and white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Zincite Crystallography

Axial Ratios:

a:c = 1:1.59654

Cell Dimensions:

a = 3.242, c = 5.176, Z = 2; V = 47.11 Den(Calc)= 5.66

Crystal System:

Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 6₃mc

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

By Intensity(I/I_o): 2.476(1), 2.816(0.71), 2.602(0.56),

Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 1 1 1) ( 1 1 0) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Kihara K , Donnay G , The Canadian Mineralogist , 23 (1985) p.647-654, Anharmonic thermal vibrations in ZnO, Model: 2-c, at T = 293 K

View Additional jPOWD Structure files for Zincite
[1] [2] [3] [4]

Physical Properties of Zincite

Cleavage:

{0001} Perfect

Color:

Yellow, Dark yellow, Dark red, Orange.

Density:

5.43 - 5.7, Average = 5.56

Diaphaneity:

Translucent to subtranslucent

Fracture:

Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.

Habit:

Disseminated - Occurs in small, distinct particles dispersed in matrix.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Habit:

Massive - Fibrous - Distinctly fibrous fine-grained forms.

Hardness:

4-5 - Fluorite-Apatite

Luminescence:

Non-fluorescent.

Luster:

Sub Metallic

Streak:

yellowish orange

Optical Properties of Zincite

Dichroism (e):

deep red.

Dichroism (w):

yellow.

Gladstone-Dale:

CI meas= -0.136 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.117 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1804,KPDmeas= 0.1835,KC= 0.1614
Ncalc = 1.88 - 1.92

Optical Data:

Uniaxial (+), w=2.013, e=2.029, bire=0.0160.

RL Color:

Light rose-brown with strong red to yellow internal reflections.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Zincite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	13.00	13.60
420 nm	12.80	13.20
440 nm	12.60	12.80
460 nm	12.30	12.60
480 nm	12.10	12.40
500 nm	12.00	12.20
520 nm	11.80	12.10
540 nm	11.80	12.00
560 nm	11.70	11.90
580 nm	11.60	11.80
600 nm	11.40	11.70
620 nm	11.30	11.60
640 nm	11.20	11.50
660 nm	11.10	11.40
680 nm	11.00	11.20
700 nm	11.00	11.20

**Calculated Relative Intensity Colors of Zincite in Air**
Relative Intensity	0%	80%	100%	160%	240%	320%	400%	480%	560%	640%	720%	770%
R₁
R₂

Calculated Properties of Zincite

Electron Density:

Bulk Density (Electron Density)=5.28 gm/cc
note: Specific Gravity of Zincite =5.66 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Zincite= 39.29 barns/electron
U=PE_Zincite x rElectron Density= 207.61 barns/cc.

Radioactivity:

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

Zincite Classification

Dana Class:

04.02.02.01 (04)Simple Oxides

(04.02)with a cation charge of 2+ (A++ O)

(04.02.02)Dana Group

04.02.02.01 Zincite (Zn,Mn)O P 6₃mc 6mm

04.02.02.02 Bromellite BeO P 6₃mc 6mm

Strunz Class:

04.AB.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.A - Metal:Oxygen = 2.1 and 1:1

04.AB -M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only

04.AB.20 Bromellite BeO P 6₃mc 6mm

04.AB.20 Zincite (Zn,Mn)O P 6₃mc 6mm

Other Zincite Information

References:

NAME( Pough60) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3, Ford32)

Search for Zincite using:

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

Visit our Advertisers for Zincite :

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

Ask about Zincite 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 Zincite Specimen Label here :

Zincite

(Zn,Mn)O
Dana No: 04.02.02.01 Strunz No: 04.AB.20
Locality:

Notes: