Mineralogy Database

Anapaite Mineral Data

Search Webmineral :
  
Advertisment

General Anapaite Information

Help on Chemical  Formula: Chemical Formula: Ca2Fe++(PO4)2•4(H2O)
Help on Composition: Composition: Molecular Weight = 398.01 gm
   Calcium     20.14 %  Ca   28.18 % CaO
   Iron        14.03 %  Fe   18.05 % FeO
   Phosphorus  15.56 %  P    35.66 % P2O5
   Hydrogen     2.03 %  H    18.11 % H2O
   Oxygen      48.24 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe2+(PO4)2•4(H2O)
Help on Environment: Environment: In oolitic iron ore, and in the stems of fossil trees (Anapa, Russia); in lacustrine sediments.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1910
Help on Locality: Locality: In Russia, at an iron mine on Cape Zheleznyi Rog, near Anapa, Taman Peninsula. As fine specimens at Kerch, Crimean Peninsula, Ukrain. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For its discovery near Anapa, Russia.
Help on Name Pronunciation: Name Pronunciation: Anapaite Say ANAPAITE
Help on Synonym: Synonym: ICSD 200477
  PDF 34-148
 

Anapaite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Anapaite

Comments: Specimen of anapaite on limonite. There are two distinct crystal forms of anapaite - both bladed or tabular and spiky (See inset images).
Location: Taman Peninsula, Black Sea, Russia. Scale: 6 x 5 cm.
© John Veevaert

Anapaite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9316:1:0.8517
Help on Cell Dimensions: Cell Dimensions: a = 6.41, b = 6.88, c = 5.86, Z = 1; alpha = 101.583°, beta = 104.09°, gamma = 71.055° V = 232.25 Den(Calc)= 2.85
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.135(1), 2.866(0.7), 3.72(0.6),
Help on Forms: 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

Help on Above

Forms: ( 1 0 1) ( 0 1 0) ( 1 0 1) ( 1 1 1) ( 0 1 1) ( 1 1 1) ( 1 0 0) ( 0 0 1)

Warning: this java applet does not work in some browsers because of security restrictions.

 

Physical Properties of Anapaite

Help on Cleavage: Cleavage: {???} Perfect, {???} Distinct
Help on Color: Color: White, Green.
Help on Density: Density: 2.8 - 2.81, Average = 2.8
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Anapaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.007 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.005 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2211,KPDmeas= 0.2215,KC= 0.2199
Ncalc = 1.62
Help on Optical Data: Optical Data: Biaxial (+), a=1.602, b=1.613, g=1.649, bire=0.0470, 2V(Calc)=60, 2V(Meas)=54.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Anapaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.82 gm/cc
note: Specific Gravity of Anapaite =2.81 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.003481179
Boson Index = 0.996518821
Help on Photoelectric: Photoelectric: PEAnapaite = 7.30 barns/electron
U=PEAnapaite x rElectron Density= 20.63 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Anapaite is Not Radioactive
 

Anapaite Classification

Help on  Dana Class: Dana Class: 40.02.01.01 (40)Hydrated Phosphates, etc
  (40.02)where A++ (B++)2 (XO4) � x(H2O)
  (40.02.01)Dana Group
 
40.02.01.01 Anapaite Ca2Fe(PO4)2•4(H2O) P1 1
Help on  Strunz Class: Strunz Class: 08.CH.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CH -With large and medium-sized cations, RO4:H2O < 1:1
 
08.CH.10 Anapaite Ca2Fe(PO4)2•4(H2O) P1 1
 

Other Anapaite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Anapaite :
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

Search for Anapaite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Anapaite :

Ask about Anapaite 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 Anapaite Specimen Label here :

Anapaite

Ca2Fe++(PO4)2•4(H2O)
Dana No: 40.02.01.01 Strunz No: 08.CH.10
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.