Planerite Mineral Data

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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 % Al₂O₃

Phosphorus 16.48 % P 37.76 % P₂O₅

Hydrogen 2.41 % H 21.56 % H₂O

Oxygen 59.58 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Al₆(PO₄)₂(PO₃OH)₂(OH)₈•4(H₂O)

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 - PinacoidalH-M Symbol ( 1) Space Group: P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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:

PE_Planerite= 1.46 barns/electron
U=PE_Planerite x rElectron 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

Search for Planerite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Planerite :

B and L Fine Minerals Google Search for Planerite
Dakota Matrix Minerals Google Search for Planerite
Dan & Diana Weinrich Mineral Auctions Google Search for Planerite
Excalibur Mineral Corp. Google Search for Planerite
Exceptional Minerals Google Search for Planerite
FEI QEMSCAN SEM Website Link
FEI Natural Resources Website Link
John Betts Fine Minerals Google Search for Planerite
McDougall Minerals Google Search for Planerite
Mineral News Website Link
Mineral of the Month Club Google Search for Planerite
Rockeeper Website Link
TIMA Mineral Analyzer Website Link
Weinrich Minerals, Inc. Google Search for Planerite
Wright's Rock Shop Google Search for Planerite

Ask about Planerite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: