Scarbroite Mineral Data

Scarbroite Mineral Data
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General Scarbroite Information

Help on Chemical Formula: Chemical Formula: Al5(CO3)(OH)13•5(H2O)
Help on Composition: Composition: Molecular Weight = 506.09 gm
   Aluminum  26.66 %  Al   50.37 % Al2O3
   Hydrogen   4.58 %  H    40.94 % H2O
   Carbon     2.37 %  C     8.70 % CO2
   Oxygen    66.39 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al5(CO3)(OH)13•5(H2O)
Help on Environment: Environment: In vertical fissures in sandstone.
Help on IMA Status: IMA Status: Approved IMA 1960
Help on Locality: Locality: South Bay, Scarborough, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Scarbroite + Pronunciation Say SCARBROITE
 

Scarbroite Image

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Scarbroite

Comments: White earthy scarbroite.
Location: South Bay, Scarborough, North Yorkshire, England, UK. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag
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Scarbroite   Hydroscarbroite

Comments: White to tan nodular hydroscarbroite intermixed with scarbroite in sandstone.
Location: Weston Favell, Northamptonshire, England. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Scarbroite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.668:1:1.7788
Help on Cell Dimensions: Cell Dimensions: a = 9.94, b = 14.88, c = 26.47, Z = 9; alpha = 98.7°, beta = 96.5°, gamma = 89° V = 3,844.59 Den(Calc)= 1.97
Help on Crystal System: Crystal System: TriclinicSpace Group: P1 or P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.64(1), 1.43(0.8), 4.32(0.8),
 

Physical Properties of Scarbroite

Help on Color: Color: White.
Help on Density: Density: 1.85 - 2.05, Average = 1.95
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Pseudo Rhombohedral - Crystals show a rhombohedral outline.
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Streak: Streak: white
 

Optical Properties of Scarbroite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2584,KPDmeas= 0.261,KC= 0.2618
Ncalc = 1.48 - 1.54
Help on Optical Data: Optical Data: Biaxial (?), b=1.509
 

Calculated Properties of Scarbroite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.02 gm/cc
note: Specific Gravity of Scarbroite =1.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0005866014
Boson Index = 0.9994133986
Help on Photoelectric: Photoelectric: PEScarbroite = 0.92 barns/electron
U=PEScarbroite x rElectron Density= 1.87 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Scarbroite is Not Radioactive
 

Scarbroite Classification
Help on Dana Class: Dana Class: 16b.07.08.01 (16b)Carbonates - Hydroxyl or Halogen
  (16b.07)Dana Type
  (16b.07.08)Dana Group
 
16b.07.08.01 Scarbroite Al5(CO3)(OH)13•5(H2O) P1 or P1 Tri
Help on Strunz Class: Strunz Class: 05.DA.35 05 - CARBONATES (NITRATES)
  05.D - Carbonates with Additional Anions, with H2O
  05.DA -With medium-sized cations
 
05.DA.35 Hydroscarbroite Al14(CO3)3(OH)36•n(H2O) Tri
 
05.DA.35 Scarbroite Al5(CO3)(OH)13•5(H2O) P1 or P1 Tri
 

Other Scarbroite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Scarbroite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Scarbroite Specimen Label here :

Scarbroite

Al5(CO3)(OH)13•5(H2O)
Dana No: 16b.07.08.01 Strunz No: 05.DA.35
Locality:

 

Notes: