Hydrocalumite Mineral Data

Hydrocalumite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974


General Hydrocalumite Information

Help on Chemical Formula: Chemical Formula: Ca2Al(OH)6[Cl1-x(OH)x]•3(H2O)
Help on Composition: Composition: Molecular Weight = 289.46 gm
   Calcium   27.69 %  Ca   38.75 % CaO
   Aluminum   9.32 %  Al   17.61 % Al2O3
   Hydrogen   4.35 %  H    38.90 % H2O
   Chlorine   6.12 %  Cl    6.12 % Cl
               -   %   Cl   -1.38 % -O=Cl2   
   Oxygen    52.51 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Al(OH)6.5Cl0.5•3(H2O)
Help on Environment: Environment: Late-stage hydrothermal mineral in skarns formed from contact metamorphism of limestone
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1934
Help on Locality: Locality: Scawt Hill, near Larne, Co. Antrim, Ireland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for a HYDROus mineral containing CAlcium and ALUMinum.
Help on Name Pronunciation: Name Pronunciation: Hydrocalumite + Pronunciation Say HYDROCALUMITE
Help on Synonym: Synonym: ICSD 63250
  PDF 31-245
 

Hydrocalumite Image

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

Hydrocalumite

Comments: Bright white platy crystal aggregate of hydrocalumite.
Location: Boissejour, Puy-de-Dome, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hydrocalumite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8421:1:1.4771
Help on Cell Dimensions: Cell Dimensions: a = 9.6, b = 11.4, c = 16.84, Z = 8; beta = 111° V = 1,720.56 Den(Calc)= 2.23
Help on Crystal System: Crystal System: Monoclinic - SphenoidalH-M Symbol (2) Space Group: P 21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.86(1), 3.93(0.6), 2.89(0.5),
Click Here for Large Hydrocalumite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Sacerdoti M , Passaglia E , Neues Jahrbuch fur Mineralogie, Monatshefte , 1988 (1988) p.462-475, Hydrocalumite from Latium, Italy: its crystal structure and relationship, with related synthetic phases, Locality: Montalto di Castro, Viterbo, Latium, Italy

View Additional jPOWD Structure files for Hydrocalumite
[1]
 

Physical Properties of Hydrocalumite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, Light green.
Help on Density: Density: 2.15
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Hydrocalumite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.053 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.087 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2459,KPDmeas= 0.255,KC= 0.2694
Ncalc = 1.58 - 1.6
Help on Optical Data: Optical Data: Biaxial (-), a=1.535, b=1.553, g=1.557, bire=0.0220, 2V(Calc)=50, 2V(Meas)=24.
 

Calculated Properties of Hydrocalumite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.23 gm/cc
note: Specific Gravity of Hydrocalumite =2.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0006324168
Boson Index = 0.9993675832
Help on Photoelectric: Photoelectric: PEHydrocalumite = 4.05 barns/electron
U=PEHydrocalumite x rElectron Density= 9.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydrocalumite is Not Radioactive
 

Hydrocalumite Classification
Help on Dana Class: Dana Class: 06.04.04.01 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.04)containing multiple cations
  (06.04.04)Dana Group
 
06.04.04.01 Hydrocalumite Ca2Al(OH)6[Cl1-x(OH)x]•3(H2O) P 21 2
Help on Strunz Class: Strunz Class: 04.FL.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FL -Hydroxides with H2O ± (OH); sheets of edge-sharing octahedra
 
04.FL.10 Hydrocalumite Ca2Al(OH)6[Cl1-x(OH)x]•3(H2O) P 21 2
 

Other Hydrocalumite Information
Help on References: References: NAME( AntBidBlaNic3) 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 Hydrocalumite :
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
15 - WWW-MINCRYST

Search for Hydrocalumite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Hydrocalumite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Hydrocalumite Mineral Data :

Ask about Hydrocalumite 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 Hydrocalumite Specimen Label here :

Hydrocalumite

Ca2Al(OH)6[Cl1-x(OH)x]•3(H2O)
Dana No: 06.04.04.01 Strunz No: 04.FL.10
Locality:

 

Notes: