Kimzeyite Mineral Data

Advertisment

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Adamsminerals.com- Online mineral store front for mineral collectors

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

General Kimzeyite Information

Chemical Formula:

Ca3(Zr,Ti)2(Si,Al,Fe+++)3O12

Composition:

Molecular Weight = 564.59 gm

Calcium 21.30 % Ca 29.80 % CaO

Zirconium 24.24 % Zr 32.74 % ZrO₂

Titanium 4.24 % Ti 7.07 % TiO₂

Aluminum 4.30 % Al 8.13 % Al₂O₃

Iron 2.97 % Fe 4.24 % Fe₂O₃

Silicon 8.95 % Si 19.16 % SiO₂

Oxygen 34.01 % O

______ ______

100.00 % 101.13 % = TOTAL OXIDE

Empirical Formula:

Ca₃Zr_1.5Ti_0.5Si_1.8Al_0.9Fe³⁺_0.3O₁₂

Environment:

Ultra-mafic lamprphyre dikes and carbonatite intrusive rocks.

IMA Status:

Approved IMA 1961

Locality:

Occurs in the carbonatite at the Kimzey family farm, Magnet Cove, Arkansas. Link to MinDat.org Location Data.

Name Origin:

Named for the Kimzey family, long associated with the mineralogy at Magnet Cove, Arkansas.

Name Pronunciation:

Kimzeyite + Pronunciation

Synonym:

ICSD 100258

PDF 13-130

Kimzeyite Image

Images:

Kimzeyite

Comments: Black isometric crystal of kimzeyite garnet.
Location: Kimzey pit, Magnet Cove, Hot Spring County, Arkansas, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kimzeyite Crystallography

Cell Dimensions:

a = 12.46, Z = 8; V = 1,934.44 Den(Calc)= 3.88

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d

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

By Intensity(I/I_o): 1.667(1), 2.539(0.9), 2.79(0.8),

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: ( 2 1 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

Munno R , Rossi G , Tadini C , American Mineralogist , 65 (1980) p.188-191, Crystal chemistry of kimzeyite from Stomboli, Aeolian Islands, Italy

View Additional jPOWD Structure files for Kimzeyite
[1] [2]

Physical Properties of Kimzeyite

Cleavage:

None

Color:

Dark brown.

Density:

Diaphaneity:

Transparent to Subopaque

Hardness:

7 - Quartz

Luster:

Vitreous (Glassy)

Streak:

light brown

Optical Properties of Kimzeyite

Gladstone-Dale:

CI meas= -0.024 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.056 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2423,KPDmeas= 0.235,KC= 0.2295
Ncalc = 1.89 - 1.92

Optical Data:

Isotropic, n=1.94.

Calculated Properties of Kimzeyite

Electron Density:

Bulk Density (Electron Density)=3.85 gm/cc
note: Specific Gravity of Kimzeyite =4.00 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Kimzeyite= 37.14 barns/electron
U=PE_Kimzeyite x rElectron Density= 142.98 barns/cc.

Radioactivity:

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

Kimzeyite Classification

Dana Class:

51.04.03c.02 (51)Nesosilicate Insular SiO4 Groups Only

(51.04)with cations in [6] and >[6] coordination

(51.04.03c)Garnet group (Schorlomite - Kimzeyite series)

51.04.03c.01 Schorlomite Ca3(Ti,Fe,Al)2[(Si,Fe,Fe)O4]3 I a3d 4/m 3 2/m

51.04.03c.02 Kimzeyite Ca3(Zr,Ti)2(Si,Al,Fe)3O12 I a3d 4/m 3 2/m

51.04.03c.03 Morimotoite Ca3TiFeSi3O12 I a3d 4/m 3 2/m

Strunz Class:

09.AD.25 09 - SILICATES (Germanates)

09.A - Nesosilicates

09.AD -Nesosilicates without additional anions;

09.AD.25 Almandine Fe3Al2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Calderite (Mn,Ca)3(Fe,Al)2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Andradite Ca3Fe2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Goldmanite Ca3(V,Al,Fe)2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Hibschite Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5) I a3d 4/m 3 2/m

09.AD.25 Knorringite Mg3Cr2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Grossular Ca3Al2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Henritermierite Ca3(Mn,Al)2(SiO4)2(OH)4 I 4₁/acd 4/m 2/m 2/m

09.AD.25 Katoite Ca3Al2(SiO4)3-x(OH)4xx=1.5-3 I a3d 4/m 3 2/m

09.AD.25 Majorite Mg3(Fe,Al,Si)2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Kimzeyite Ca3(Zr,Ti)2(Si,Al,Fe)3O12 I a3d 4/m 3 2/m

09.AD.25 Morimotoite Ca3TiFeSi3O12 I a3d 4/m 3 2/m

09.AD.25 Pyrope Mg3Al2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Spessartine Mn3Al2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Schorlomite Ca3(Ti,Fe,Al)2[(Si,Fe,Fe)O4]3 I a3d 4/m 3 2/m

09.AD.25 Uvarovite Ca3Cr2(SiO4)3 I a3d 4/m 3 2/m

09.AD.25 Wadalite Ca6Al5Si2O16Cl3 I 43d 4 3m

09.AD.25 Holtstamite! Ca3(Al,Mn)2(SiO4)2(OH)4 I 4₁/acd 4/m 2/m 2/m

Other Kimzeyite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

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

Search for Kimzeyite using:

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

Visit our Advertisers for Kimzeyite :

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

Ask about Kimzeyite 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 Kimzeyite Specimen Label here :

Kimzeyite

Ca3(Zr,Ti)2(Si,Al,Fe+++)3O12
Dana No: 51.04.03c.02 Strunz No: 09.AD.25
Locality:

Notes: