Perovskite Mineral Data (original) (raw)

General Perovskite Information

Help on Chemical Formula: Chemical Formula:

CaTiO3

Help on Composition: Composition:

Molecular Weight = 135.96 gm

Calcium 29.48 % Ca 41.25 % CaO

Titanium 35.22 % Ti 58.75 % TiO2

Oxygen 35.30 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

CaTiO3

Help on Environment: Environment:

Common in chlorite, talc, or serpentine rocks.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1839

Help on Locality: Locality:

Achmatovsk near Kussinsk in the Zlatoust district, Ural mountans, Russia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named after the Russian mineralogist, L. A. Perovski (1792-1856).

Help on Name Pronunciation: Name Pronunciation:

Perovskite + Pronunciation Say PEROVSKITE

Help on Synonym: Synonym:

Dysanalyte (Nb)

ICSD 37263

Knopite (Ce)

PDF 42-423

Perofskite

Uhligite - perovskite or zirkelite (?)

Perovskite Image

Click Here for Larger Perovskite Image in a New Browser Window Images:

Click Here for Larger Perovskite Image Perovskite Clinochlore Comments: Square, opaque perovskite on green clinochlore. Very brilliant and with large crystals (2 x 1.5 cm.). Location: Ilmen Mountains. Chelyabinsk, Urals, Russia.Scale: 6 x 4.5 cm. © Fabre Minerals

Click Here for Larger Perovskite Image in a New Browser Window Images:

Click Here for Larger Perovskite Image in a New Browser Window Images:

Click Here for Larger Perovskite Image Perovskite Comments: Cubic perovskite (Type Specimen 1999-0073), with original label of G. Rose. Location: Achmatowsk mine, Achmatowsk, Slatoust, Ural, Russia.Scale: Picture Size 4 x 2.5 cm. © German Type Specimen Catalogue

Perovskite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.7118:1:0.7039

Help on Cell Dimensions: Cell Dimensions:

a = 5.441, b = 7.644, c = 5.381, Z = 4; V = 223.80 Den(Calc)= 4.03

Help on Crystal System: Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.7(1), 1.91(0.5), 2.72(0.4),

Help on Forms: Forms:

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

| | Forms:( 1 0 1) ( 0 1 0) ( 1 1 1) ( 0 1 1) ( 1 0 0) ( 0 0 1) Warning: this large pop-up is very compute intensive and may not work well with some computers. | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |

Click Here for Large Perovskite Structure Window 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

| | Yamanaka T , Hirai M , Komatsu Y , American Mineralogist , 87 (2002) p.1183-1189, Structure change of Ca1-xSrxTiO3 perovskite with composition and pressure, Sample: CaTiO3, x = 0.0 View Additional jPOWD Structure files for Perovskite [1] [2] [3] [4] [5] [6] [7] [8] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |

Physical Properties of Perovskite

Help on Cleavage: Cleavage:

{100} Good, {010} Good, {001} Good

Help on Color: Color:

Black, Reddish brown, Pale yellow, Yellowish orange.

Help on Density: Density:

4

Help on Diaphaneity: Diaphaneity:

Transparent to translucent to opaque

Help on Fracture: Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Help on Habit: Habit:

Pseudo Cubic - Crystals show a cubic outline.

Help on Habit: Habit:

Pseudo Hexagonal - Crystals show a hexagonal outline.

Help on Habit: Habit:

Reniform - "Kidney like" in shape (e.g.. hematite).

Help on Hardness: Hardness:

5.5 - Knife Blade

Help on Luminescence: Luminescence:

Non-fluorescent.

Help on Luster: Luster:

Sub Metallic

Help on Streak: Streak:

grayish white

Optical Properties of Perovskite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.055 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= -0.047 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3325,KPDmeas= 0.335,KC= 0.3175
Ncalc = 2.27 - 2.28

Help on Optical Data: Optical Data:

Biaxial (+), a=2.3, b=2.34, g=2.38, bire=0.0800, 2V(Calc)=88, 2V(Meas)=90. Dispersion r > v.

Help on Pleochroism (x): Pleochroism (x):

colorless.

Help on Pleochroism (y): Pleochroism (y):

colorless.

Help on Pleochroism (z): Pleochroism (z):

colorless.

Help on RL Color: RL Color:

Dark bluish gray.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Perovskite in Air

λ R ∑ R(λ)
400 nm 19.20
420 nm 18.80
440 nm 18.40
460 nm 18.00
480 nm 17.60
500 nm 17.30
520 nm 17.00
540 nm 16.80
560 nm 16.60
580 nm 16.40
600 nm 16.20
620 nm 16.10
640 nm 16.00
660 nm 16.00
680 nm 15.90
700 nm 15.90

Calculated Relative Intensity Colors of Perovskite in Air

RelativeIntensity 0% 60% 100% 120% 180% 240% 300% 360% 420% 480% 540%
R

Calculated Properties of Perovskite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.91 gm/cc
note: Specific Gravity of Perovskite =4.03 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Help on Photoelectric: Photoelectric:

PEPerovskite = 9.49 barns/electron
U=PEPerovskite x rElectron Density= 37.13 barns/cc.

Help on Radioactivity: Radioactivity:

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

Perovskite Classification

Help on Dana Class: Dana Class:

04.03.03.01 (04)Simple Oxides

(04.03)with a cation charge of 3+ (A+++2 O3)

(04.03.03)Perovskite Group

04.03.03.01 Perovskite CaTiO3 P nma 2/m 2/m 2/m

04.03.03.02 Latrappite (Ca,Na)(Nb,Ti,Fe)O3 Pcmn 2/m 2/m 2/m

04.03.03.03 Loparite-(Ce) (Ce,Na,Ca)2(Ti,Nb)2O6 P m3m 4/m 3 2/m

04.03.03.04 Lueshite NaNbO3 P 2221 2 2 2

04.03.03.05 Tausonite SrTiO3 P m3m 4/m 3 2/m

04.03.03.06 Isolueshite! (Na,La,Ca)(Nb,Ti)O3 P m3m 4/m 3 2/m

04.03.03.07 Barioperovskite! BaTiO3 Amm2 mm2

04.03.03.08 Lakargiite! CaZrO3 P nma 2/m 2/m 2/m

Help on Strunz Class: Strunz Class:

04.CC.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.C - Metal:Oxygen = 2:3, 3:5, and Similar

04.CC -With large and medium-sized cations

04.CC.30 Natroniobite NaNbO3 Mono

04.CC.30 Latrappite (Ca,Na)(Nb,Ti,Fe)O3 Pcmn 2/m 2/m 2/m

04.CC.30 Lueshite NaNbO3 P 2221 2 2 2

04.CC.30 Perovskite CaTiO3 P nma 2/m 2/m 2/m

04.CC.30 Barioperovskite! BaTiO3 Amm2 mm2

04.CC.30 Lakargiite! CaZrO3 P nma 2/m 2/m 2/m

Other Perovskite Information

Help on References: References:

NAME( Duda&Rejl90) PHYS. PROP.(Dana8) OPTIC PROP.(Heinrich65, AntBidBlaNic3)

Help on See Also: See Also:

Links to other databases for Perovskite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - Scandinavian mineral gallery
17 - University of Colorado - Mineral Structure Data
18 - WWW-MINCRYST

Search for Perovskite using:

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

Visit our Advertisers for Perovskite :

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

Ask about Perovskite 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 Espa�ol

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

Perovskite

CaTiO3
Dana No: 04.03.03.01 Strunz No: 04.CC.30
Locality:

Notes: