Mineralogy Database

Cabalzarite Mineral Data

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General Cabalzarite Information

Help on Chemical  Formula: Chemical Formula: Ca(Mg,Al,Fe++)2(AsO4)2(H2O,OH)2
Help on Composition: Composition: Molecular Weight = 413.71 gm
   Calcium     9.69 %  Ca   13.55 % CaO
   Magnesium   4.70 %  Mg    7.79 % MgO
   Manganese   0.66 %  Mn    0.86 % MnO
   Aluminum    5.22 %  Al    9.86 % Al2O3
   Iron        4.05 %  Fe    5.21 % FeO
   Arsenic    36.22 %  As   55.56 % As2O5
   Hydrogen    0.79 %  H     7.05 % H2O
   Oxygen     38.67 %  O
             ______        ______ 
             100.00 %       99.88 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaAl0.8Mg0.8Fe2+0.3Mn2+0.05(AsO4)2(H2O)1.24(OH)0.76
Help on Environment: Environment: In manganese ore in radiolarites. A member of the tusmcorite group.
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: The abandoned manganese mine near Falotta, Graubunden, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Walter Cabalzar (1919-), an amateur mineralogist of Chur, Switzerland, who contributed to the mineralogy of the Graubunden canton.
Help on Synonym: Synonym: ICSD 89713

Cabalzarite Image

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Comments: Brownish crystals of cabalzarite on matrix.
Location: Falotta, Tinizong (Tinzen), Sursass (Oberhalbstein), Grischun (Grisons; Graubünden), Switzerland. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Cabalzarite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.4528:1:1.1968
Help on Cell Dimensions: Cell Dimensions: a = 8.925, b = 6.143, c = 7.352, Z = 2; beta = 115.25° V = 364.57 Den(Calc)= 3.77
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.159(1)(112), 2.519(0.81)(221), 2.942(0.67)(201), 4.895(0.59)(110), 2.684(0.55)(311), 3.373(0.54)(202), 4.544(0.35)(111),

Physical Properties of Cabalzarite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light brown, Brownish pink, Orange brown.
Help on Density: Density: 3.89
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Cabalzarite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.02 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1936,KPDmeas= 0.1877,KC= 0.1899
Ncalc = 1.72 - 1.74
Help on Optical Data: Optical Data: Biaxial (?), a=1.7, g=1.76, bire=0.0600

Calculated Properties of Cabalzarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.73 gm/cc
note: Specific Gravity of Cabalzarite =3.89 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.00587603
Boson Index = 0.99412397
Help on Photoelectric: Photoelectric: PECabalzarite = 27.38 barns/electron
U=PECabalzarite x rElectron Density= 102.11 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cabalzarite is Not Radioactive

Cabalzarite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.02)where A++ (B++)2 (XO4) � x(H2O)
  (40.02.12)Dana Group Cabalzarite! Ca(Mg,Al,Fe)2(AsO4)2(H2O,OH)2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CG.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CG -With large and medium-sized cations, RO4:H2O = 1:1
08.CG.15 Cobaltlotharmeyerite! Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Ferrilotharmeyerite Ca(Zn,Cu)(Fe,Zn)(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Cabalzarite! Ca(Mg,Al,Fe)2(AsO4)2(H2O,OH)2 C 2/m 2/m
08.CG.15 Mawbyite Pb(FeZn)2(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Lotharmeyerite CaZnMn(AsO3OH)4(OH)3 C 2/m,C 2,Cm Mono
08.CG.15 Mounanaite PbFe2(VO4)2(OH)2 P1 1
08.CG.15 Tsumcorite PbZnFe(AsO4)2•(H2O) C 2/m 2/m
08.CG.15 Thometzekite Pb(Cu,Zn)2(AsO4)2•2(H2O) C 2/m 2/m
08.CG.15 Cobalttsumcorite! Pb(Co,Fe)2(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Manganlotharmeyerite! Ca(Mn,Mg,)2(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Nickellotharmeyerite! Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Krettnichite! PbMn2(VO4)2(OH)2 C 2/m 2/m
08.CG.15 Schneebergite! Bi(Co,Ni)2(AsO4)2(OH,H2O)2 C 2/m 2/m
08.CG.15 Nickelschneebergite! Bi(Ni,Co)2(AsO4)2(OH,H2O)2 C 2/m 2/m

Other Cabalzarite Information

Help on References: References: NAME( MinRec v. 32, p 211) PHYS. PROP.(MinRec v. 32, p 211) OPTIC PROP.(MinRec v. 32, p 211)
Help on See Also: See Also: Links to other databases for Cabalzarite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info

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Dana No: Strunz No: 08.CG.15





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