Qingheiite Mineral Data

Qingheiite Mineral Data
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General Qingheiite Information

Help on Chemical Formula: Chemical Formula: Na2(Mn++,Mg,Fe++)(Al,Fe+++)(PO4)3
Help on Composition: Composition: Molecular Weight = 461.08 gm
   Sodium       6.48 %  Na    8.74 % Na2O
   Calcium      0.87 %  Ca    1.22 % CaO
   Magnesium    5.80 %  Mg    9.62 % MgO
   Manganese   17.87 %  Mn   23.08 % MnO
   Aluminum     2.34 %  Al    4.42 % Al2O3
   Iron         4.84 %  Fe    4.67 % FeO /  1.73 % Fe2O3
   Phosphorus  20.15 %  P    46.18 % P2O5
   Oxygen      41.64 %  O
              ______        ______ 
              100.00 %       99.65 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.3Mn2+1.5Mg1.1Fe2+0.3Ca0.1Al0.4Fe3+0.1(PO4)3
Help on Environment: Environment: In a muscovite-rich pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Qinghe County, Xinjiang Uygur Autonomous Region, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Qingheiite + Pronunciation Say QINGHEIITE
Help on Synonym: Synonym: ICSD 89319
  PDF 41-1418
 

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Qingheiite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9547:1:0.5173
Help on Cell Dimensions: Cell Dimensions: a = 11.85, b = 12.411, c = 6.421, Z = 4; beta = 114.45° V = 859.65 Den(Calc)= 3.56
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.685(1), 3.472(0.9), 2.512(0.9),6.21(0.8), 2.86(0.7), 1.739(0.7), 3.082(0.6),
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Zhesheng M , Nicheng S , Zhizhong P , Scientia Sinica, Series , B26 (1983) p.876-884, Crystal structure of a new phosphatic mineral-qingheiite, Locality: Northwestern Qinghe County, Altay Prefecture, Uygur Autonomous Region, Xinjiang, Note: changed P3(z) to match reported bond distances

 

Physical Properties of Qingheiite

Help on Cleavage: Cleavage: {010} Indistinct
Help on Color: Color: Yellow green, Jade green, Light yellow green.
Help on Density: Density: 3.718
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Qingheiite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.056 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2025,KPDmeas= 0.1939,KC= 0.1917
Ncalc = 1.68 - 1.71
Help on Optical Data: Optical Data: Biaxial (+), a=1.678, b=1.684, g=1.691-1.91, bire=0.0130-0.2320, 2V(Calc)=22-86, 2V(Meas)=79. Dispersion r >> v strong.
Help on Pleochroism (x): Pleochroism (x): light yellowish green.
Help on Pleochroism (y): Pleochroism (y): jade green.
Help on Pleochroism (z): Pleochroism (z): dark bluish green.
 

Calculated Properties of Qingheiite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.61 gm/cc
note: Specific Gravity of Qingheiite =3.72 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0070371335
Boson Index = 0.9929628665
Help on Photoelectric: Photoelectric: PEQingheiite = 7.39 barns/electron
U=PEQingheiite x rElectron Density= 26.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Qingheiite is Not Radioactive
 

Qingheiite Classification
Help on Dana Class: Dana Class: 38.02.04.04 (38)Anhydrous Phosphates, etc
  (38.02)(A+ B++)5 (XO4)3
  (38.02.04)Alluaudite-Wyllieite Group (Wyllieite Subgroup)
 
38.02.04.01 Ferrowyllieite (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
38.02.04.02 Wyllieite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
38.02.04.03 Rosemaryite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
38.02.04.04 Qingheiite Na2(Mn,Mg,Fe)(Al,Fe)(PO4)3 P 21/n 2/m
 
38.02.04.05 Bobfergusonite Na2Mn5FeAl(PO4)6 P 21/n 2/m
 
38.02.04.06 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m
 
38.02.04.07 Ferrorosemaryite! []NaFeFeAl(PO4)3 P 21/n 2/m
Help on Strunz Class: Strunz Class: 08.AC.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AC -With medium-sized and large cations
 
08.AC.15 Bobfergusonite Na2Mn5FeAl(PO4)6 P 21/n 2/m
 
08.AC.15 Ferrowyllieite (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
08.AC.15 Qingheiite Na2(Mn,Mg,Fe)(Al,Fe)(PO4)3 P 21/n 2/m
 
08.AC.15 Rosemaryite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
08.AC.15 Wyllieite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
08.AC.15 Ferrorosemaryite! []NaFeFeAl(PO4)3 P 21/n 2/m
 

Other Qingheiite Information
Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Qingheiite :
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

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

Qingheiite

Na2(Mn++,Mg,Fe++)(Al,Fe+++)(PO4)3
Dana No: 38.02.04.04 Strunz No: 08.AC.15
Locality:

 

Notes: