Planerite Mineral Data
General Planerite Information
Chemical Formula:
Al6(PO4)2(PO3OH)2(OH)8•4(H2O)
Composition:
Molecular Weight = 751.91 gm
Aluminum 21.53 % Al 40.68 % Al2 O3
Phosphorus 16.48 % P 37.76 % P2 O5
Hydrogen 2.41 % H 21.56 % H2 O
Oxygen 59.58 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Al6 (PO4 )2 (PO3 OH)2 (OH)8 •4(H2 O)
IMA Status:
Valid Species (Pre-IMA) 1862
Locality:
Copper mines at Gumeshevsk, Ural Mountains, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for D. I. Planer, director of mines, Gumeshevsk, Ural Mountains, Russia.
Name Pronunciation:
Planerite + Pronunciation
Synonym:
Coeruleolactite - mixture of planerite + variscite + wavellite
Planerite Image
Images:
Planerite
Comments: Light green, oolitic coatings of planerite on matrix.
Location: Mauldin Mountain Quarry, Mt. Ida, Montgomery County, Arkansas, USA.
Scale: Picture size 0.5 cm.
© John Veevaert
Planerite Crystallography
Axial Ratios:
a:b:c =0.7718:1:0.8036
Cell Dimensions:
a = 7.505, b = 9.723, c = 7.814, Z = 1; alpha = 111.43°, beta = 115.56°, gamma = 68.69° V = 446.09 Den(Calc)= 2.80
Crystal System:
Triclinic - Pinacoidal H-M Symbol ( 1 ) Space Group: P1
X Ray Diffraction:
By Intensity(I/Io ): 3.745(1), 6.829(0.9), 3.692(0.6),
Physical Properties of Planerite
Color:
Bluish green, Light blue, Light green, Olive green.
Density:
2.68
Diaphaneity:
Transparent to Subopaque
Habit:
Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Habit:
Encrustations - Forms crust-like aggregates on matrix.
Hardness:
5 - Apatite
Luster:
Vitreous - Dull
Streak:
blue white
Optical Properties of Planerite
Gladstone-Dale:
CI meas = 0.012 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = 0.016 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.223,KPDmeas = 0.2239,KC = 0.2266 Ncalc = 1.61
Optical Data:
Biaxial (?), b=1.6
Calculated Properties of Planerite
Electron Density:
Bulk Density (Electron Density)=2.71 gm/cc note: Specific Gravity of Planerite =2.68 gm/cc.
Fermion Index:
Fermion Index = 0.0002896002 Boson Index = 0.9997103998
Photoelectric:
PEPlanerite = 1.46 barns/electronU=PEPlanerite x r Electron Density= 3.97 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Planerite is Not Radioactive
Planerite Classification
Dana Class:
42.09.03.06 (42) Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
(42.09) where (A)3 (XO4)2 Zq � x(H2O)
(42.09.03) Turquoise Group
42.09.03.01 Turquoise CuAl6(PO4)4(OH)8•4(H2O) P1 1
42.09.03.02 Coeruleolactite (Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O) P1 1
42.09.03.03 Faustite (Zn,Cu)Al6(PO4)4(OH)8•4(H2O) P1 1
42.09.03.04 Chalcosiderite CuFe6(PO4)4(OH)8•4(H2O) P1 1
42.09.03.05 Aheylite (Fe,Zn)Al6(PO4)4(OH)8•4(H2O) P1 1
42.09.03.06 Planerite Al6(PO4)2(PO3OH)2(OH)8•4(H2O) P1 1
Strunz Class:
08.DD.15 08 - PHOSPHATES, ARSENATES, VANADATES
08.D - Phosphates, etc
08.DD -With only medium-sized cations, (OH, etc.):RO4 = 2:1
08.DD.15 Aheylite (Fe,Zn)Al6(PO4)4(OH)8•4(H2O) P1 1
08.DD.15 Chalcosiderite CuFe6(PO4)4(OH)8•4(H2O) P1 1
08.DD.15 Faustite (Zn,Cu)Al6(PO4)4(OH)8•4(H2O) P1 1
08.DD.15 Planerite Al6(PO4)2(PO3OH)2(OH)8•4(H2O) P1 1
08.DD.15 Turquoise CuAl6(PO4)4(OH)8•4(H2O) P1 1
Other Planerite Information
References:
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Planerite :
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 Planerite Specimen Label here :
Planerite
Al6(PO4)2(PO3OH)2(OH)8•4(H2O)
Dana No: 42.09.03.06 Strunz No: 08.DD.15
Locality:
Notes:
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