Mineralogy Database

Barite Mineral Data

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General Barite Information

Help on Chemical  Formula: Chemical Formula: BaSO4
Help on Composition: Composition: Molecular Weight = 233.39 gm
   Barium  58.84 %  Ba   65.70 % BaO
   Sulfur  13.74 %  S    34.30 % SO3
   Oxygen  27.42 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba(SO4)
Help on Environment: Environment: Sedimentary rocks and late gangue mineral in ore veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1640
Help on Locality: Locality: Roses of a red-brown color and sandy texture near Norman, Oklahoma. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, baryos, "heavy."
Help on Name Pronunciation: Name Pronunciation: Barite Say BARITE
Help on Synonym: Synonym: Barytes
  Heavy Spar
  ICSD 16904
  PDF 24-1035

Barite Image

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Comments: Honey-colored very transparent barite crystal group.
Location: (1998) Meikle mine, Elko Co. Nevada, USA. Scale: 5 x 6 cm.
© Fabre Minerals

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  Jacobsite   Barite

Comments: Sharp, octahedral crystals of Jacobsite on a bladed barite matrix.
Location: N' Chwaning II Mine, Kuruman, South Africa. Scale: 3x2.5x1.9 cm.
© Isaias Casanova / IC Minerals

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  Wurtzite   Barite

Comments: Compact, dark, metallic crystals of wurtzite intermixed with galena crystals and white barite blades.
Location: Huanzala, Huanuco Dept., Peru. Scale: 5 x 4 x 2.5 cm.
© Isaias Casanova / IC Minerals

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Comments: Tabular, clear crystal of barite on a small matrix of pinkish dolomite. Fluorescence under UV light.
Location: Cerro Warihuyn, 2850 m, Miraflores, Huamalias, Huanuco Peru. Scale: 3.4 x 2.8 x 0.9 cm.
© Fabre Minerals

Barite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.6289:1:1.3122
Help on Cell Dimensions: Cell Dimensions: a = 8.878, b = 5.45, c = 7.152, Z = 4; V = 346.05 Den(Calc)= 4.48
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.442(1), 3.101(0.97), 2.12(0.8),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 0 0 1) ( 0 1 1) ( 1 0 1) ( 2 1 0)

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Physical Properties of Barite

Help on Cleavage: Cleavage: {010} Perfect, {210} Perfect, {010} Imperfect
Help on Color: Color: White, Yellowish white, Grayish white, Brownish white, Dark brown.
Help on Density: Density: 4.48
Help on Diaphaneity: Diaphaneity: Transparent to translucent to opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3-3.5 - Calcite-Copper Penny
Help on Luminescence: Luminescence: Phosphorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Barite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1428,KPDmeas= 0.1428,KC= 0.1448
Ncalc = 1.65
Help on Optical Data: Optical Data: Biaxial (+), a=1.634-1.637, b=1.6355-1.638, g=1.646-1.648, bire=0.0110-0.0120, 2V(Calc)=36-42, 2V(Meas)=36-40. Dispersion weak, r < v.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.

Calculated Properties of Barite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.99 gm/cc
note: Specific Gravity of Barite =4.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PEBarite = 265.56 barns/electron
U=PEBarite x rElectron Density=1,060.27 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Barite is Not Radioactive

Barite Classification

Help on  Dana Class: Dana Class: (28)Anhydrous Acid and Sulfates
  (28.03)(A++) XO4
  (28.03.01)Barite Group Barite BaSO4 Pbnm 2/m 2/m 2/m Celestine SrSO4 Pbnm 2/m 2/m 2/m Anglesite PbSO4 Pbnm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 07.AD.35 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AD -With only large cations
07.AD.35 Anglesite PbSO4 Pbnm 2/m 2/m 2/m
07.AD.35 Barite BaSO4 Pbnm 2/m 2/m 2/m
07.AD.35 Celestine SrSO4 Pbnm 2/m 2/m 2/m
07.AD.35 Olsacherite Pb2(SeO4)(SO4) P 2212 2 2 2
07.AD.35 Radiobarite* (Ba,Ra)SO4 2/m 2/m 2/m

Other Barite Information

Help on See Also: See Also: Links to other databases for Barite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - Baryte Home Page
7 - CalTech Mineral Spectroscopy
8 - EUROmin Project
9 - Ecole des Mines de Paris
10 - Franklin Minerals(Dunn)
11 - Franklin Minerals(Palache)
12 - GeoScienceWorld
13 - Glendale Community College
14 - Google Images
15 - Google Scholar
16 - Handbook of Mineralogy (UofA)
17 - HyperPhysics
18 - MinDAT
19 - Mineral and Gemstone Kingdom
20 - Mineral of the Month
21 - Mineralienatlas (Deutsch)
22 - NSDL Reciprocal Net (JAVA)
23 - Online Mineral Museum
24 - Philatelic Mineralogy
25 - QUT Mineral Atlas
26 - Ruff.Info
27 - University of Colorado - Mineral Structure Data
29 - YupRocks
30 - theimage

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Dana No: Strunz No: 07.AD.35





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