Mineralogy Database

Embolite Mineral Data

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General Embolite Information

Help on Chemical  Formula: Chemical Formula: Ag(Br,Cl)
Help on Composition: Composition: Molecular Weight = 165.55 gm
   Silver    65.16 %  Ag   69.99 % Ag2O
   Bromine   24.13 %  Br   24.13 % Br
               -   %   Br   -2.42 % -O=Br2   
   Chlorine  10.71 %  Cl   10.71 % Cl
               -   %   Cl   -2.42 % -O=Cl2   
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: AgCl0.5Br0.5
Help on Environment: Environment: Oxidized portions of silver deposits.
Help on IMA Status: IMA Status: Not Approved IMA
Help on Locality: Locality: Chanarcillo, Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "intermediate" alluding to the 50:50 mixture of chloride and bromide in the formula.

Embolite Image

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Comments: An exposed 3 x 2 cm vug in barite completely filled with a mass of embolite comprised of myriad crystals to 2 mm.
Location: Broken Hill Mine, New South Wales, Australia. Scale: Picture size 4 cm.
© John Veevaert

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  Iodargyrite   Embolite

Comments: Cubo-octahedral crystals of iodaryrite (I) with smaller and darker octahedral crystals of embolite (E).
Location: Broken Hill, New South Wales, Australia. Scale: Specimen size 2x1 cm.
© Dave Barthelmy

Embolite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.66, Z = 4; V = 181.32 Den(Calc)= 6.06
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m

Physical Properties of Embolite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellowish green, Grayish yellow.
Help on Density: Density: 5.6 - 5.8, Average = 5.69
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine - Greasy
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white

Optical Properties of Embolite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.01 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.069 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1898,KPDmeas= 0.2018,KC= 0.2038
Ncalc = 2.14 - 2.23
Help on Optical Data: Optical Data: Isotropic, n=2.15.

Calculated Properties of Embolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.03 gm/cc
note: Specific Gravity of Embolite =5.70 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric: PEEmbolite = 190.85 barns/electron
U=PEEmbolite x rElectron Density= 959.38 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Embolite is Not Radioactive

Embolite Classification

Help on  Dana Class: Dana Class: (09)Anhydrous and Hydrated Halides
  (09.01)where A X
  (09.01.04)Embolite Series Embolite* Ag(Br,Cl) F m3m 4/m 3 2/m Chlorargyrite AgCl F m3m 4/m 3 2/m Bromargyrite AgBr F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 03.AA.15 03 - HALIDES
  03.A - Simple Halides, Without H2O
  03.AA -M:X = 1:1, 2:3, 3:5, etc.
03.AA.15 Bromargyrite AgBr F m3m 4/m 3 2/m
03.AA.15 Chlorargyrite AgCl F m3m 4/m 3 2/m
03.AA.15 Embolite* Ag(Br,Cl) F m3m 4/m 3 2/m

Other Embolite Information

Help on References: References: NAME( Dana7) PHYS. PROP.(Dana) OPTIC PROP.(Dana)
Help on See Also: See Also: Links to other databases for Embolite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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


Dana No: Strunz No: 03.AA.15





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