Hureaulite Mineral Data

Hureaulite Mineral Data
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General Hureaulite Information

Help on Chemical Formula: Chemical Formula: Mn5(PO3OH)2(PO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 728.65 gm
   Manganese   37.70 %  Mn   48.68 % MnO
   Phosphorus  17.00 %  P    38.96 % P2O5
   Hydrogen     1.38 %  H    12.36 % H2O
   Oxygen      43.92 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+5(PO3OH)2(PO4)2•4(H2O)
Help on Environment: Environment: Secondary mineral in weathered triphylite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1826
Help on Locality: Locality: Hureaux in St. Silvestre and Vilate near Chanteloube, N of Limoges, Haute Vienne, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Hureaulite + Pronunciation Say HUREAULITE
Help on Synonym: Synonym: Ca-hureaulite - Ca-bearing hureaulite
  ICSD 34744
  PDF 34-146
 

Hureaulite Image

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Hureaulite

Comments: Pink crystals of hureaulite on matrix.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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Hureaulite   Tavorite

Comments: Lime green tavorite micro crystals with pink, gemmy hureaulite.
Location: Tip Top mine, Custer Co., South Dakota, United States. Scale: Picture size 1.0 cm.
© Tom Loomis / Dakota Matrix

Hureaulite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.9323:1:1.04
Help on Cell Dimensions: Cell Dimensions: a = 17.618, b = 9.1172, c = 9.482, Z = 4; beta = 96.58° V = 1,513.03 Den(Calc)= 3.20
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.152(1), 8.09(0.7), 2.992(0.65),
Help on Forms: Forms:

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Forms: ( 1 1 1) ( 5 1 2) ( 2 0 1) ( 1 1 0) ( 1 0 0) ( 0 0 1)

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Moore P B , Araki T , American Mineralogist , 58 (1973) p.302-307, Hureaulite, Mn5(H2O)4[PO3(OH)]2[PO4]2: Its atomic arrangement

 

Physical Properties of Hureaulite

Help on Cleavage: Cleavage: {???} Distinct
Help on Color: Color: Red, White, Grayish white, Yellowish white, Reddish white.
Help on Density: Density: 3.18
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Compact - Occurs as a compact mass.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Hureaulite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.024 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2043,KPDmeas= 0.2056,KC= 0.2092
Ncalc = 1.67
Help on Optical Data: Optical Data: Biaxial (-), a=1.647, b=1.654, g=1.66, bire=0.0130, 2V(Calc)=84, 2V(Meas)=75. Dispersion r < v very strong.
Help on Pleochroism (x): Pleochroism (x): coloress or colorless.
Help on Pleochroism (y): Pleochroism (y): yellow or pale rose.
 

Calculated Properties of Hureaulite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.10 gm/cc
note: Specific Gravity of Hureaulite =3.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000212867
Boson Index = 0.999787133
Help on Photoelectric: Photoelectric: PEHureaulite = 10.41 barns/electron
U=PEHureaulite x rElectron Density= 32.27 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hureaulite is Not Radioactive
 

Hureaulite Classification
Help on Dana Class: Dana Class: 39.02.01.01 (39)Hydrated Acid Phosphates, etc
  (39.02)H2 (AB)5 (XO4)4 · x(H2O)
  (39.02.01)Hureaulite Group
 
39.02.01.01 Hureaulite Mn5(PO3OH)2(PO4)2•4(H2O) C 2/c 2/m
 
39.02.01.02 Sainfeldite Ca5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m
 
39.02.01.03 Villyaellenite Mn5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m
 
39.02.01.04 IMA2008-047! Cd3Zn2(AsO3OH)2(AsO4)24?H2O C 2/c 2/m
 
39.02.01.05 IMA2008-066! Mn5(H2O)4(AsO3OH)2(AsO4)2 C 2/c 2/m
Help on Strunz Class: Strunz Class: 08.CB.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CB -With only medium-sized cations, RO4:H2O = 1:1
 
08.CB.10 Hureaulite Mn5(PO3OH)2(PO4)2•4(H2O) C 2/c 2/m
 
08.CB.10 Sainfeldite Ca5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m
 
08.CB.10 IMA2008-066! Mn5(H2O)4(AsO3OH)2(AsO4)2 C 2/c 2/m
 
08.CB.10 Villyaellenite Mn5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m
 
08.CB.10 IMA2008-047! Cd3Zn2(AsO3OH)2(AsO4)24?H2O C 2/c 2/m
 

Other Hureaulite Information
Help on See Also: See Also: Links to other databases for Hureaulite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Hureaulite

Mn5(PO3OH)2(PO4)2•4(H2O)
Dana No: 39.02.01.01 Strunz No: 08.CB.10
Locality:

 

Notes: