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Adelite Mineral Data

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General Adelite Information

Help on Chemical  Formula: Chemical Formula: CaMg(AsO4)(OH)
Help on Composition: Composition: Molecular Weight = 220.31 gm
   Calcium    18.19 %  Ca   25.45 % CaO
   Magnesium  11.03 %  Mg   18.29 % MgO
   Arsenic    34.01 %  As   52.16 % As2O5
   Hydrogen    0.46 %  H     4.09 % H2O
   Oxygen     36.31 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMg(AsO4)(OH)
Help on Environment: Environment: In manganese deposits at Langban.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1804
Help on Locality: Locality: Sweden, V�rmland, Filipstad, L�ngban mn Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for indistinct, for its occurrence as massive.
Help on Name Pronunciation: Name Pronunciation: Adelite Say ADELITE
 

Adelite Image

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  Adelite

Comments: Yellowish glassy grains of adelite to 1mm in matrix.
Location: Langban, Filipstad, Varmland, Sweden. Scale: Sample Size 6 x 6.5 x 4.5 cm.
© Tom Loomis / Dakota Matrix

Adelite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8502:1:0.661
Help on Cell Dimensions: Cell Dimensions: a = 7.525, b = 8.85, c = 5.85, Z = 4; V = 389.59 Den(Calc)= 3.76
Help on Crystal System: Crystal System: Orthorhombic - Disphenoidal H-M Symbol (2 2 2) Space Group: P 212121
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.16(1), 2.59(0.7), 4.13(0.7),
 

Physical Properties of Adelite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Blue gray, Green, Gray, Yellow, Light green.
Help on Density: Density: 3.73 - 3.79, Average = 3.76
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5 - Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Resinous
Help on Streak: Streak: white
 

Optical Properties of Adelite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.018 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1918,KPDmeas= 0.1918,KC= 0.1884
Ncalc = 1.7 - 1.71
Help on Optical Data: Optical Data: Biaxial (+), a=1.712, b=1.721, g=1.731, bire=0.0190
 

Calculated Properties of Adelite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.62 gm/cc
note: Specific Gravity of Adelite =3.76 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEAdelite = 25.46 barns/electron
U=PEAdelite x rElectron Density= 92.10 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Adelite is Not Radioactive
 

Adelite Classification

Help on  Dana Class: Dana Class: 41.05.01.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.01)Adelite Group
 
41.05.01.01 Adelite CaMg(AsO4)(OH) P 212121 2 2 2
 
41.05.01.02 Conichalcite CaCu(AsO4)(OH) P 212121 2 2 2
 
41.05.01.03 Austinite CaZn(AsO4)(OH) P 212121 2 2 2
 
41.05.01.04 Duftite-beta? PbCu(AsO4)(OH) P 212121 2 2 2
 
41.05.01.05 Gabrielsonite PbFe(AsO4)(OH) P 21m mm2
 
41.05.01.06 Tangeite CaCu(VO4)(OH) P 212121 2 2 2
 
41.05.01.07 Nickelaustinite Ca(Ni,Zn)(AsO4)(OH) P 212121 2 2 2
 
41.05.01.08 Cobaltaustinite CaCo(AsO4)(OH) P 212121 2 2 2
 
41.05.01.09 Arsendescloizite PbZn(AsO4)(OH) P 212121 2 2 2
 
41.05.01.10 Gottlobite! CaMg(VO4,AsO4)(OH) P 212121 2 2 2
Help on  Strunz Class: Strunz Class: 08.BH.35 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BH -With medium-sized and large cations, (OH,etc.):RO4 = 1:1
 
08.BH.35 Austinite CaZn(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Adelite CaMg(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Arsendescloizite PbZn(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Duftite-alpha PbCu(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Duftite-beta? PbCu(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Cobaltaustinite CaCo(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Conichalcite CaCu(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Gabrielsonite PbFe(AsO4)(OH) P 21m mm2
 
08.BH.35 Nickelaustinite Ca(Ni,Zn)(AsO4)(OH) P 212121 2 2 2
 
08.BH.35 Tangeite CaCu(VO4)(OH) P 212121 2 2 2
 
08.BH.35 Gottlobite! CaMg(VO4,AsO4)(OH) P 212121 2 2 2
 

Other Adelite Information

Help on References: References: NAME( Dana8) 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 Adelite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
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 - Scandinavian mineral gallery
17 - WWW-MINCRYST

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Adelite

CaMg(AsO4)(OH)
Dana No: 41.05.01.01 Strunz No: 08.BH.35
Locality:

 

Notes:

 

 
   
 


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