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Berzeliite Mineral Data

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General Berzeliite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)3(Mg,Mn)2(AsO4)3
Help on Composition: Composition: Molecular Weight = 588.10 gm
   Sodium      2.93 %  Na    3.95 % Na2O
   Calcium    15.33 %  Ca   21.45 % CaO
   Magnesium   6.20 %  Mg   10.28 % MgO
   Manganese   4.67 %  Mn    6.03 % MnO
   Arsenic    38.22 %  As   58.62 % As2O5
   Oxygen     32.65 %  O
             ______        ______ 
             100.00 %      100.34 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2.25Na0.75Mg1.5Mn2+0.5(AsO4)3
Help on Environment: Environment: In metamorphosed Fe-Mn orebodies.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1840
Help on Locality: Locality: In Sweden, found at Langban and Nordmark, Varmland, and in the Sjo mine, near Grythyttan, Orebro. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: In honor of the noted Swedish chemist and mineralogist, Jons Jacob Berzelius (1779-1848).
Help on Name Pronunciation: Name Pronunciation: Berzeliite + Pronunciation Say BERZELIITE
Help on Synonym: Synonym: ICSD 27682
  PDF 19-165

Berzeliite Image

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Comments: White calcite with included grains of yellowish-orange berzeliite in matrix.
Location: Langban, Filipstad, Varmland, Sweden. Scale: 3 x 2.2 cm.
© John Veevaert

Berzeliite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 12.405, Z = 8; V = 1,908.93 Den(Calc)= 4.09
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.75(1), 1.65(0.7), 1.71(0.7),
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 2 1) ( 0 1 2) ( 0 1 1) ( 1 0 0)

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Physical Properties of Berzeliite

Help on Cleavage: Cleavage: None
Help on Color: Color: Orange, Sulfur yellow.
Help on Density: Density: 4.08
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Resinous
Help on Streak: Streak: white

Optical Properties of Berzeliite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1736,KPDmeas= 0.174,KC= 0.18
Ncalc = 1.73 - 1.74
Help on Optical Data: Optical Data: Isotropic, n=1.71.

Calculated Properties of Berzeliite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.87 gm/cc
note: Specific Gravity of Berzeliite =4.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0065628816
Boson Index = 0.9934371184
Help on Photoelectric: Photoelectric: PEBerzeliite = 29.48 barns/electron
U=PEBerzeliite x rElectron Density= 114.01 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Berzeliite is Not Radioactive

Berzeliite Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.02)(A+ B++)5 (XO4)3
  (38.02.01)Berzeliite Group Berzeliite (Ca,Na)3(Mg,Mn)2(AsO4)3 I a3d 4/m 3 2/m Manganberzeliite (Ca,Na)3(Mn,Mg)2(AsO4)3 I a3d 4/m 3 2/m Palenzonaite (Ca,Na)3Mn(V,As,Si)3O12 I a3d 4/m 3 2/m Schaferite! NaCa2Mg2(VO4)3 I a3d 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 08.AC.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AC -With medium-sized and large cations
08.AC.25 Berzeliite (Ca,Na)3(Mg,Mn)2(AsO4)3 I a3d 4/m 3 2/m
08.AC.25 Palenzonaite (Ca,Na)3Mn(V,As,Si)3O12 I a3d 4/m 3 2/m
08.AC.25 Manganberzeliite (Ca,Na)3(Mn,Mg)2(AsO4)3 I a3d 4/m 3 2/m
08.AC.25 Schaferite! NaCa2Mg2(VO4)3 I a3d 4/m 3 2/m

Other Berzeliite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Berzeliite :
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 - Scandinavian mineral gallery

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Dana No: Strunz No: 08.AC.25





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