Brianyoungite Mineral Data

Brianyoungite Mineral Data
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General Brianyoungite Information

Help on Chemical Formula: Chemical Formula: Zn3(CO3,SO4)(OH)4
Help on Composition: Composition: Molecular Weight = 333.22 gm
   Zinc      58.87 %  Zn   73.27 % ZnO
   Hydrogen   1.21 %  H    10.81 % H2O
   Carbon     2.70 %  C     9.91 % CO2
   Sulfur     2.41 %  S     6.01 % SO3
   Oxygen    34.81 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn3(CO3)0.75(SO4)0.25(OH)4
Help on Environment: Environment: Secondary post-mine mineral in limestone-hosted oxidized Pb-Zn ores.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Brownley Hill mine, near Alston, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Brian Young (1947- ), field geologist and mineralogist of the British Geological Survey, who provided the first specimens.
Help on Name Pronunciation: Name Pronunciation: Brianyoungite + Pronunciation Say BRIANYOUNGITE
Help on Synonym: Synonym: IMA1991-053
 

Brianyoungite Image

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Brianyoungite

Comments: Silky white aggregates of brianyoungite with small yellow crystals of sulfur on sphalerite.
Location: St Johannes Mine, Wolkenstein, Erzgebirge, Saxony, Germany. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Brianyoungite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.5134:1:0.8674
Help on Cell Dimensions: Cell Dimensions: a = 15.724, b = 6.256, c = 5.427, Z = 4; beta = 90° V = 533.85 Den(Calc)= 4.15
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.88(1), 15.44(1), 2.714(0.4),
 

Physical Properties of Brianyoungite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 3.93 - 4.09, Average = 4.01
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Brianyoungite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.13 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.159 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1548,KPDmeas= 0.1602,KC= 0.1841
Ncalc = 1.72 - 1.76
Help on Optical Data: Optical Data: Biaxial (?), a=1.635, b=1.65,
 

Calculated Properties of Brianyoungite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.86 gm/cc
note: Specific Gravity of Brianyoungite =4.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEBrianyoungite = 29.43 barns/electron
U=PEBrianyoungite x rElectron Density= 113.69 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Brianyoungite is Not Radioactive
 

Brianyoungite Classification
Help on Dana Class: Dana Class: 17.01.15.01 (17)Compound Carbonates
  (17.01)with miscellaneous formulae
  (17.01.15)Dana Group
 
17.01.15.01 Brianyoungite Zn3(CO3,SO4)(OH)4 C 2/m 2/m
Help on Strunz Class: Strunz Class: 05.BF.30 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BF -With (Cl), SO4, PO4, TeO3
 
05.BF.30 Brianyoungite Zn3(CO3,SO4)(OH)4 C 2/m 2/m
 

Other Brianyoungite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)
Help on See Also: See Also: Links to other databases for Brianyoungite :
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

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Brianyoungite

Zn3(CO3,SO4)(OH)4
Dana No: 17.01.15.01 Strunz No: 05.BF.30
Locality:

 

Notes: