Mineralogy Database

Heterosite Mineral Data

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General Heterosite Information

Help on Chemical  Formula: Chemical Formula: Fe+++PO4
Help on Composition: Composition: Molecular Weight = 150.82 gm
   Iron        37.03 %  Fe   52.94 % Fe2O3
   Phosphorus  20.54 %  P    47.06 % P2O5
   Oxygen      42.43 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+(PO4)
Help on Environment: Environment: Secondary mineral in the oxidized zone of complex granite pegmatites, replacing primary phosphate minerals, principally triphylite.Forms a series with the Mn+++ end-member Purpurite .
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1826
Help on Locality: Locality: Palermo #1 mine, New Hampshire, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for another, probably because it was the second manganese-bearing species described from the type locality.
Help on Name Pronunciation: Name Pronunciation: Heterosite + Pronunciation Say HETEROSITE
Help on Synonym: Synonym: ICSD 2909
  PDF 34-134

Heterosite Image

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  Heterosite   Alluaudite

Comments: Purple crystalline heterosite with yellow coatings of alluaudite.
Location: Palermo Mine, North Groton, Grafton County, New Hampshire, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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  Graftonite   Heterosite

Comments: Whitish graftonite intergrown with dark purple to brown heterosite.
Location: Grafton, Grafton County, New Hampshire, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Heterosite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5928:1:0.4872
Help on Cell Dimensions: Cell Dimensions: a = 5.824, b = 9.823, c = 4.786, Z = 4; V = 273.80 Den(Calc)= 3.66
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmnb
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.452(1), 4.31(0.9), 3.46(0.85),

Physical Properties of Heterosite

Help on Cleavage: Cleavage: {100} Good, {010} Indistinct
Help on Color: Color: Brownish black, Violet brown, Greenish brown, Dark brown, Dark pink.
Help on Density: Density: 3.409
Help on Diaphaneity: Diaphaneity: Subtranslucent to Opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Silky
Help on Streak: Streak: brown red

Optical Properties of Heterosite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.029 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.042 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2423,KPDmeas= 0.2601,KC= 0.2529
Ncalc = 1.86 - 1.93
Help on Optical Data: Optical Data: Biaxial (+), a=1.86, b=1.89, g=1.91, bire=0.0500

Calculated Properties of Heterosite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.30 gm/cc
note: Specific Gravity of Heterosite =3.41 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.008053895
Boson Index = 0.991946105
Help on Photoelectric: Photoelectric: PEHeterosite = 12.13 barns/electron
U=PEHeterosite x rElectron Density= 40.03 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Heterosite is Not Radioactive

Heterosite Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.04)A+ XO4
  (38.04.01)Dana Group Heterosite FePO4 Pmnb 2/m 2/m 2/m Purpurite MnPO4 Pmnb 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.AB.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AB -With medium-sized cations
08.AB.10 Ferrisicklerite Li(Fe,Mn)PO4 Pmnb 2/m 2/m 2/m
08.AB.10 Heterosite FePO4 Pmnb 2/m 2/m 2/m
08.AB.10 Natrophilite NaMnPO4 Pnam 2/m 2/m 2/m
08.AB.10 Lithiophilite LiMnPO4 Pmnb 2/m 2/m 2/m
08.AB.10 Purpurite MnPO4 Pmnb 2/m 2/m 2/m
08.AB.10 Sicklerite Li(Mn,Fe)PO4 Pmnb 2/m 2/m 2/m
08.AB.10 Simferite Li(Mg,Fe,Mn)2(PO4)2 Pbnm or Pbn21 Ortho
08.AB.10 Triphylite LiFePO4 Pbnm 2/m 2/m 2/m

Other Heterosite Information

Help on References: References: NAME( AntBidBlaNic5) 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 Heterosite :
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.AB.10





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