Koritnigite Mineral Data

Koritnigite Mineral Data +

[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974

General Koritnigite Information

Chemical Formula:

ZnHAsO4·(H2O)

Composition:

Molecular Weight = 223.33 gm

Zinc 29.28 % Zn 36.44 % ZnO

Arsenic 33.55 % As 51.46 % As₂O₅

Hydrogen 1.35 % H 12.10 % H₂O

Oxygen 35.82 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

ZnH(AsO₄)·(H₂O)

IMA Status:

Approved IMA 1979

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 100581

PDF 34-1396

Koritnigite Image

Images:

Koritnigite

Comments: Translucent nearly colorless fragment of koritnigite.
Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Koritnigite Crystallography

Axial Ratios:

a:b:c =0.5021:1:0.4212

Cell Dimensions:

a = 7.948, b = 15.829, c = 6.668, Z = 8; alpha = 90.86°, beta = 96.56°, gamma = 90.05° V = 833.31 Den(Calc)= 3.56

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 7.9(1), 3.16(0.9), 3.83(0.7),

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

Keller P , Hess H , Riffel H , Neues Jahrbuch fur Mineralogie, Abhandlungen , 138 (1980) p.316-332, Die kristallstruktur von koritnigit, Zn[H2O|HOAsO3], Locality: Tsumeb, Namibia

Physical Properties of Koritnigite

Cleavage:

[010] Perfect

Color:

Colorless.

Density:

3.54

Diaphaniety:

Transparent

Hardness:

2 - Gypsum

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Koritnigite

Gladstone-Dale:

CI meas= -0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.017 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1851,KPDmeas= 0.1862,KC= 0.1821

Optical Data:

Biaxial (+), a=1.632, b=1.652, g=1.693, bire=0.0610, 2V(Calc)=72, 2V(Meas)=70.

Calculated Properties of Koritnigite

Electron Density:

r_electron=3.38 gm/cc
note: r_Koritnigite=3.56 gm/cc.

Fermion Index

Fermion Index = 0.01217
Boson Index = 0.98783

Photoelectric:

PE_Koritnigite= 37.66 barns/electron
U=PE_Koritnigite x r_electron= 127.28 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Koritnigite is Not Radioactive

Koritnigite Classification

Dana Class:

39.1.4.1 (39)Hydrated Acid Phosphates, etc

(39.1)A+ [HXO4] · x(H2O)

(39.1.4)Dana Group

39.1.4.1 Koritnigite ZnHAsO4·(H2O) P1 1

39.1.4.2 Cobaltkoritnigite (Co,Zn)(AsO3OH)·(H2O) P1 1

Strunz Class:

VII/C.06-20 VII - Phosphates, Arsenates and Vanadates

VII/C - Water-bearing phosphates without unfamiliar anions. cations of medium and small size: Be and Mn, Fe, Cu, Zn, Mg

VII/C.06 - Cobaltkoritnigite - Geigerite series

VII/C.06-10 Cobaltkoritnigite (Co,Zn)(AsO3OH)·(H2O) P1 1

VII/C.06-20 Koritnigite ZnHAsO4·(H2O) P1 1

VII/C.06-30 Geminite Cu2As2O7·3(H2O) P1 or P1 Tri

VII/C.06-32 Pushcharovskite! Cu(AsO3OH)·1.5(H2O) P1 or P1 Tri

VII/C.06-35 Yvonite! Cu(AsO3OH)·2(H2O) P1 1

VII/C.06-37 Rollandite! Cu3(AsO4)2·4(H2O) P nma 2/m 2/m 2/m

VII/C.06-40 Chudobaite (Mg,Zn)5(AsO3OH)2(AsO4)2·10(H2O) P1 1

VII/C.06-50 Lindackerite CuCu4(AsO4)2(AsO3OH)2·~9(H2O) P1 1

VII/C.06-60 Geigerite Mn5(AsO3OH)2(AsO4)2·10(H2O) P1 1

Other Koritnigite Information

References:

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

See Also:

Links to other databases for Koritnigite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Koritnigite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Koritnigite :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Koritnigite Mineral Data :

Ask about Koritnigite 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 Koritnigite Specimen Label here :

Koritnigite

ZnHAsO4·(H2O)
Dana No: 39.1.4.1 Strunz No: VII/C.06-20
Locality:

Notes: