Periclase Mineral Data (original) (raw)

General Periclase Information

Help on Chemical Formula: Chemical Formula:

MgO

Help on Composition: Composition:

Molecular Weight = 40.30 gm

Magnesium 60.30 % Mg 100.00 % MgO

Oxygen 39.70 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

MgO

Help on Environment: Environment:

Contact metamorphism of dolomites and magnesites.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1840

Help on Locality: Locality:

Monte Somma and Predazzo, Italy. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

From the Greek peri - "around" and klao - "to cut."

Help on Name Pronunciation: Name Pronunciation:

Periclase + Pronunciation Say PERICLASE

Help on Synonym: Synonym:

ICSD 9863

PDF 43-1022

Periclase Image

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Periclase Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 4.203, Z = 4; V = 74.25 Den(Calc)= 3.61

Help on Crystal System: Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.106(1), 1.489(0.52), 1.216(0.12),

Click Here for Large Periclase Structure Window Crystal Structure:

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Physical Properties of Periclase

Help on Cleavage: Cleavage:

{001} Perfect, {010} Perfect, {100} Perfect

Help on Color: Color:

Brownish yellow, Colorless, Green, Gray white, Yellow.

Help on Density: Density:

3.67 - 3.9, Average = 3.78

Help on Diaphaneity: Diaphaneity:

Transparent to translucent

Help on Fracture: Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Help on Habit: Habit:

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

Help on Hardness: Hardness:

6 - Orthoclase

Help on Luminescence: Luminescence:

Non-Fluorescent, Long UV=light yellow.

Help on Luster: Luster:

Vitreous (Glassy)

Help on Magnetism: Magnetism:

Nonmagnetic

Help on Streak: Streak:

white

Optical Properties of Periclase

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.025 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.205,KPDmeas= 0.1955,KC= 0.2
Ncalc = 1.72 - 1.78

Help on Optical Data: Optical Data:

Isotropic, n=1.74.

Calculated Properties of Periclase

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.76 gm/cc
note: Specific Gravity of Periclase =3.79 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Help on Photoelectric: Photoelectric:

PEPericlase = 1.33 barns/electron
U=PEPericlase x rElectron Density= 4.99 barns/cc.

Help on Radioactivity: Radioactivity:

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

Periclase Classification

Help on Dana Class: Dana Class:

04.02.01.01 (04)Simple Oxides

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

(04.02.01)Periclase group (Isometric, Fm3m)

04.02.01.01 Periclase MgO F m3m 4/m 3 2/m

04.02.01.02 Bunsenite NiO F m3m 4/m 3 2/m

04.02.01.03 Manganosite MnO F m3m 4/m 3 2/m

04.02.01.04 Monteponite CdO F m3m 4/m 3 2/m

04.02.01.05 Lime CaO F m3m 4/m 3 2/m

04.02.01.06 Wustite FeO F m3m 4/m 3 2/m

04.02.01.07 Hongquiite* TiO F m3m 4/m 3 2/m

Help on Strunz Class: Strunz Class:

04.AB.25 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.25 Bunsenite NiO F m3m 4/m 3 2/m

04.AB.25 Lime CaO F m3m 4/m 3 2/m

04.AB.25 Monteponite CdO F m3m 4/m 3 2/m

04.AB.25 Manganosite MnO F m3m 4/m 3 2/m

04.AB.25 Periclase MgO F m3m 4/m 3 2/m

04.AB.25 Wustite FeO F m3m 4/m 3 2/m

Other Periclase Information

Help on References: References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Periclase :
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 - University of Colorado - Mineral Structure Data
17 - WWW-MINCRYST

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Ask about Periclase here :
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Print or Cut-and-Paste your Periclase Specimen Label here :

Periclase

MgO
Dana No: 04.02.01.01 Strunz No: 04.AB.25
Locality:

Notes: