Mineralogy Database

Bromellite Mineral Data

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General Bromellite Information

Help on Chemical  Formula: Chemical Formula: BeO
Help on Composition: Composition: Molecular Weight = 25.01 gm
   Beryllium  36.03 %  Be  100.00 % BeO
   Oxygen     63.97 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BeO
Help on Environment: Environment: Occurs with swedenborgite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1825
Help on Locality: Locality: Langbanshyttan, Vermland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Magnus von Bromell (1670-1731), Swedish physician and mineralogist.
Help on Name Pronunciation: Name Pronunciation: Bromellite + Pronunciation Say BROMELLITE
Help on Synonym: Synonym: ICSD 62726
  PDF 35-818

Bromellite Image

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Comments: Nearly colorless translucent crystalline bromellite in chloritic schistose rock.
Location: Pitkyaranta, Republic of Karelia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Bromellite   Magnesioferrite

Comments: A micro, water color, hexagonal or barrel shaped crystal of white bromellite to about 0.3 mm on yellowish calcite with associated black magnesioferrite.
Location: Langban, Varmland, Sweden. Scale: 18x9x10mm.
© Tom Loomis / Dakota Matrix

Bromellite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.62686
Help on Cell Dimensions: Cell Dimensions: a = 2.68, c = 4.36, Z = 2; V = 27.12 Den(Calc)= 3.06
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Pyramidal H-M Symbol (6mm) Space Group: P 63mc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.061(1), 2.337(0.91), 2.189(0.61),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 2) ( 1 0 1) ( 0 1 0) ( 0 0 1)

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Physical Properties of Bromellite

Help on Cleavage: Cleavage: {1010} Distinct
Help on Color: Color: White.
Help on Density: Density: 3.017
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Hardness: Hardness: 9 - Corundum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Bromellite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2373,KPDmeas= 0.2406,KC= 0.24
Ncalc = 1.72 - 1.73
Help on Optical Data: Optical Data: Uniaxial (+), w=1.719, e=1.733, bire=0.0140.

Calculated Properties of Bromellite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.89 gm/cc
note: Specific Gravity of Bromellite =3.02 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.36
Boson Index = 0.64
Help on Photoelectric: Photoelectric: PEBromellite = 0.31 barns/electron
U=PEBromellite x rElectron Density= 0.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bromellite is Not Radioactive

Bromellite Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.02)with a cation charge of 2+ (A++ O)
  (04.02.02)Dana Group Zincite (Zn,Mn)O P 63mc 6mm Bromellite BeO P 63mc 6mm
Help on  Strunz Class: 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 Bromellite Information

Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Bromellite :
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 - University of Colorado - Mineral Structure Data

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


Dana No: Strunz No: 04.AB.20





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