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Cianciulliite Mineral Data

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General Cianciulliite Information

Help on Chemical  Formula: Chemical Formula: Mn++++(Mg,Mn++)2Zn2(OH)10•2-4(H2O)
Help on Composition: Composition: Molecular Weight = 473.76 gm
   Magnesium   7.70 %  Mg   12.76 % MgO
   Manganese  17.39 %  Mn    7.49 % MnO / 18.35 % MnO2
   Zinc       27.60 %  Zn   34.36 % ZnO
   Hydrogen    3.40 %  H    30.42 % H2O
   Oxygen     43.90 %  O
             ______        ______ 
             100.00 %      103.38 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn4+Mg1.5Mn2+0.5Zn2(OH)10•3(H2O)
Help on Environment: Environment: Secondary mineral from veins in a metamorphosed stratiform zinc orebody.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Franklin, Sussex County, New Jersey. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John Cianciulli, of Sussex, New Jersey, USA.
Help on Synonym: Synonym: ICSD 80795
  IMA1990-042
  PDF 44-1407
 

Cianciulliite Image

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  Cianciulliite

Comments: SEM image of a typical cianciulliite crystals. The abundant incipient cleavage is very obvious. (AmMin, v76:1708).
Location: Franklin, New Jersey, USA. Scale: Field of view is 0.3 mm.
© American Mineralogist

Cianciulliite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.4289:1:0.8754
Help on Cell Dimensions: Cell Dimensions: a = 15.47, b = 6.369, c = 5.576, Z = 2; beta = 101.23° V = 538.88 Den(Calc)= 2.92
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): 7.61(1), 2.745(0.6), 3.96(0.5),
 

Physical Properties of Cianciulliite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Dark brown, Dark reddish brown, Reddish brown.
Help on Density: Density: 2.87
Help on Diaphaneity: Diaphaneity: Subtranslucent to Opaque
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Pearly
Help on Streak: Streak: red brown
 

Optical Properties of Cianciulliite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.083 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.064 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2877,KPDmeas= 0.2927,KC= 0.2703
Ncalc = 1.78 - 1.79
Help on Optical Data: Optical Data: Biaxial (?), a=1.76, g=1.92, bire=0.1600
Help on Pleochroism (x): Pleochroism (x): opaque.
Help on Pleochroism (y): Pleochroism (y): dark brown.
Help on Pleochroism (z): Pleochroism (z): opague.
Help on RL Anisotrophism: RL Anisotrophism: Very weak.
Help on RL Bireflectance: RL Bireflectance: Very weak.
Help on RL Color: RL Color: Gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cianciulliite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm    9.52    9.72 
   
 420 nm    9.13    9.30 
 440 nm    8.85    8.97 
 460 nm    8.65    8.74 
 480 nm    8.44    8.56 
 500 nm    8.34    8.44 
 520 nm    8.23    8.35 
 540 nm    8.09    8.25 
 560 nm    8.06    8.21 
 580 nm    8.01    8.20 
 600 nm    7.98    8.18 
 620 nm    7.96    8.18 
 640 nm    7.98    8.18 
 660 nm    7.98    8.18 
 680 nm    7.93    8.15 
 700 nm    7.90    8.14 
Calculated Relative Intensity Colors of Cianciulliite in Air
Relative
Intensity
   0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%
R1                      
R2                      
 

Calculated Properties of Cianciulliite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.90 gm/cc
note: Specific Gravity of Cianciulliite =2.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PECianciulliite = 17.87 barns/electron
U=PECianciulliite x rElectron Density= 51.88 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cianciulliite is Not Radioactive
 

Cianciulliite Classification

Help on  Dana Class: Dana Class: 06.02.13.01 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.02)where X++ (OH)2
  (06.02.13)Dana Group
 
06.02.13.01 Cianciulliite Mn(Mg,Mn)2Zn2(OH)10•2-4(H2O) C 2/m 2/m
Help on  Strunz Class: Strunz Class: 04.FL.55 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.55 Cianciulliite Mn(Mg,Mn)2Zn2(OH)10•2-4(H2O) C 2/m 2/m
 

Other Cianciulliite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.76,p1708-1710) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Cianciulliite :
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 - WWW-MINCRYST

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Cianciulliite

Mn++++(Mg,Mn++)2Zn2(OH)10•2-4(H2O)
Dana No: 06.02.13.01 Strunz No: 04.FL.55
Locality:

 

Notes:

 

 
   
 


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