Nastrophite Mineral Data

Nastrophite Mineral Data
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General Nastrophite Information

Help on Chemical Formula: Chemical Formula: Na(Sr,Ba)(PO4)•9(H2O)
Help on Composition: Composition: Molecular Weight = 380.15 gm
   Barium       9.03 %  Ba   10.08 % BaO
   Sodium       6.05 %  Na    8.15 % Na2O
   Strontium   17.29 %  Sr   20.44 % SrO
   Phosphorus   8.15 %  P    18.67 % P2O5
   Hydrogen     4.77 %  H    42.65 % H2O
   Oxygen      54.71 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaSr0.75Ba0.25(PO4)•9(H2O)
Help on Environment: Environment: Pegmatitic veinlets in cancrinite and nepheline syenites.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Mts. Karnasurt and Alluaiv, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the sodium, NAtrium, STROntium, and PHosphorus in the composition
Help on Name Pronunciation: Name Pronunciation: Nastrophite + Pronunciation Say NASTROPHITE
Help on Synonym: Synonym: ICSD 20268
  PDF 25-993
 

Nastrophite Image

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

Nastrophite

Comments: Glassy to chalky crystalline nastrophite fragment.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nastrophite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 10.559, Z = 4; V = 1,177.25 Den(Calc)= 2.14
Help on Crystal System: Crystal System: Isometric - TetartoidalH-M Symbol (2 3) Space Group: P 213
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.54(1), 4.67(0.9), 5.21(0.8),
Click Here for Large Nastrophite Structure Window Crystal Structure:

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Baturin S V , Malinovskii Y A , Belov N V , Soviet Physics Doklady , 26 (1981) p.1023-1026, The crystal structure of nastrophite Na(Sr,Ba)[PO4]*9H2O

 

Physical Properties of Nastrophite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless.
Help on Density: Density: 2.05
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Nastrophite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2336,KPDmeas= 0.2439,KC= 0.2372
Ncalc = 1.49 - 1.51
Help on Optical Data: Optical Data: Isotropic, n=1.5.
 

Calculated Properties of Nastrophite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.14 gm/cc
note: Specific Gravity of Nastrophite =2.14 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PENastrophite = 54.98 barns/electron
U=PENastrophite x rElectron Density= 117.91 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nastrophite is Not Radioactive
 

Nastrophite Classification
Help on Dana Class: Dana Class: 40.01.03.01 (40)Hydrated Phosphates, etc
  (40.01)where A++ B++ (XO4) · x(H2O)
  (40.01.03)Dana Group
 
40.01.03.01 Nastrophite Na(Sr,Ba)(PO4)•9(H2O) P 213 2 3
 
40.01.03.02 Nabaphite NaBaPO4•9(H2O) P 213 2 3
Help on Strunz Class: Strunz Class: 08.CJ.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CJ -With only large cations
 
08.CJ.15 Nastrophite Na(Sr,Ba)(PO4)•9(H2O) P 213 2 3
 
08.CJ.15 Nabaphite NaBaPO4•9(H2O) P 213 2 3
 

Other Nastrophite 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 Nastrophite :
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 - WWW-MINCRYST

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Nastrophite

Na(Sr,Ba)(PO4)•9(H2O)
Dana No: 40.01.03.01 Strunz No: 08.CJ.15
Locality:

 

Notes: