Brazilianite Mineral Data

Brazilianite Mineral Data
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General Brazilianite Information

Help on Chemical Formula: Chemical Formula: NaAl3(PO4)2(OH)4
Help on Composition: Composition: Molecular Weight = 361.91 gm
   Sodium       6.35 %  Na    8.56 % Na2O
   Aluminum    22.37 %  Al   42.26 % Al2O3
   Phosphorus  17.12 %  P    39.22 % P2O5
   Hydrogen     1.11 %  H     9.96 % H2O
   Oxygen      53.05 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl3(PO4)2(OH)4
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1945
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its first discovery in Brazil.
Help on Name Pronunciation: Name Pronunciation: Brazilianite + Pronunciation Say BRAZILIANITE
Help on Synonym: Synonym: ICSD 2086
  PDF 42-1354
 

Brazilianite Image

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Brazilianite

Comments: Gemmy brazilianite crystal.
Location: Marcel Telirio mine, Divino das Laranjeiras, Minas Gerais, Brazil. Scale: Size Not Given.
© Fabre Minerals

Brazilianite Crystallography
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.05(1), 2.74(0.8), 2.99(0.8),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
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I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
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Forms: ( 3 0 1) ( 1 1 0) ( 0 1 0) ( 1 2 1) ( 1 0 1) ( 2 1 0) ( 1 0 0) ( 1 1 1) ( 0 1 1) ( 0 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Brazilianite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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 Help on Above


Gatehouse B M , Miskin B K , Acta Crystallographica, Section B , 30 (1974) p.1311-1317, The crystal structure of brazilianite, NaAl3(PO4)2(OH)4, Locality: Corrego Frio pegmatite, Minas Gerais, Brazil

 

Physical Properties of Brazilianite

Help on Color: Color: Colorless, Greenish yellow, Yellow green, Light yellow.
 

Optical Properties of Brazilianite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.021 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.04 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.201,KPDmeas= 0.205,KC= 0.2094
Ncalc = 1.62 - 1.64
 

Calculated Properties of Brazilianite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.96 gm/cc
note: Specific Gravity of Brazilianite =2.98 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0002563129
Boson Index = 0.9997436871
Help on Photoelectric: Photoelectric: PEBrazilianite = 1.59 barns/electron
U=PEBrazilianite x rElectron Density= 4.72 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Brazilianite is Not Radioactive
 

Brazilianite Classification
Help on Dana Class: Dana Class: 41.05.07.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.07)Dana Group
 
41.05.07.01 Brazilianite NaAl3(PO4)2(OH)4 P 21/n 2/m
Help on Strunz Class: Strunz Class: 08.BK.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BK -With medium-sized and large cations, (OH, etc.)
 
08.BK.05 Brazilianite NaAl3(PO4)2(OH)4 P 21/n 2/m
 

Other Brazilianite Information
Help on See Also: See Also: Links to other databases for Brazilianite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Tradeshop.com - The Rainbow of Gems
16 - WWW-MINCRYST

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

Brazilianite

NaAl3(PO4)2(OH)4
Dana No: 41.05.07.01 Strunz No: 08.BK.05
Locality:

 

Notes: