Augelite Mineral Data
General Augelite Information
Chemical Formula:
Al2(PO4)(OH)3
Composition:
Molecular Weight = 199.96 gm
Aluminum 26.99 % Al 50.99 % Al2 O3
Phosphorus 15.49 % P 35.49 % P2 O5
Hydrogen 1.51 % H 13.51 % H2 O
Oxygen 56.01 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Al2 (PO4 )(OH)3
Environment:
Formed by hydrogen metamorphism of phosphate-bearing rocks in peraluminous sediments; in some high-temperature hydrothermal ore deposits.
IMA Status:
Valid Species (Pre-IMA) 1868
Locality:
From the Vastana mine, near Nasum, Skane, and at Kalsjoberg, Varmland, Sweden. Link to MinDat.org Location Data.
Name Origin:
From the Greek for "luster," for its pearly luster on the cleavage.
Name Pronunciation:
Augelite
Synonym:
ICSD 24430
PDF 34-151
Augelite Image
Images:
Augelite
Comments: Apple green augelite with semi-transparent, well developed, brilliant crystals.
Location: Rapid Creek, Yukon, Canada.
Scale: 3.5 x 2 cm.
© Fabre Minerals
Images:
Augelite
Comments: Green to white, striated, blocky augelite crystal on matrix.
Location: Ortega mine, Ancash dept., Peru.
Scale: Crystal length 2.3 cm.
© Tom Loomis / Dakota Matrix
Augelite Crystallography
X Ray Diffraction:
By Intensity(I/Io ): 3.338(1), 3.506(0.9), 4(0.8),
Forms:
Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
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Forms:
( 1 1 1)
( 0 2 1)
( 0 1 0)
( 2 2 1)
( 2 0 1)
( 2 0 1)
( 1 1 0)
( 1 0 0)
( 0 0 1)
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Physical Properties of Augelite
Color:
Colorless, Yellow, Yellow green, White, Light blue.
Optical Properties of Augelite
Gladstone-Dale:
CI meas = 0.008 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = 0.013 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2137,KPDmeas = 0.2148,KC = 0.2165 Ncalc = 1.58 - 1.59
Calculated Properties of Augelite
Electron Density:
Bulk Density (Electron Density)=2.70 gm/cc note: Specific Gravity of Augelite =2.70 gm/cc.
Fermion Index:
Fermion Index = 0.0002711168 Boson Index = 0.9997288832
Photoelectric:
PEAugelite = 1.56 barns/electronU=PEAugelite x r Electron Density= 4.20 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Augelite is Not Radioactive
Augelite Classification
Dana Class:
41.06.08.01 (41) Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
(41.06) where (A)2 (XO4) Zq
(41.06.08) Dana Group
41.06.08.01 Augelite Al2(PO4)(OH)3 C 2/m 2/m
Strunz Class:
08.BE.05 08 - PHOSPHATES, ARSENATES, VANADATES
08.B - Phosphates, etc. with Additional Anions, without H2O
08.BE -With only medium-sized cations, (OH, etc.):RO4 > 2:1
08.BE.05 Augelite Al2(PO4)(OH)3 C 2/m 2/m
Other Augelite Information
See Also:
Links to other databases for Augelite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST
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Ask about Augelite here :
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Print or Cut-and-Paste your Augelite Specimen Label here :
Augelite
Al2(PO4)(OH)3
Dana No: 41.06.08.01 Strunz No: 08.BE.05
Locality:
Notes:
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