Planerite Mineral Data

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QEMSCAN is a fully automated, non-destructive, micro-analysis system that provides rapid, statistically reliable and repeatable, mineralogical, petrographic and metallurgical data, from virtually any inorganic, and some organic, materials.

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

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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: