Mineralogy Database

Bario-olgite Mineral Data

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General Bario-olgite Information

Help on Chemical  Formula: Chemical Formula: Na(Ba,Sr,Na,REE)PO4
Help on Composition: Composition: Molecular Weight = 223.77 gm
   Potassium    0.70 %  K     0.84 % K2O
   Barium      28.23 %  Ba   31.52 % BaO
   Sodium      10.99 %  Na   14.82 % Na2O
   Strontium   14.10 %  Sr   16.67 % SrO
   Calcium      0.18 %  Ca    0.25 % CaO
   Lanthanum    1.86 %  La    2.18 % La2O3
   Cerium       1.25 %  Ce    1.47 % Ce2O3
   Manganese    0.25 %  Mn    0.32 % MnO
   Phosphorus  13.84 %  P    31.72 % P2O5
   Oxygen      28.60 %  O
              ______        ______ 
              100.00 %       99.79 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.07K0.04La0.03Ce0.02Ca0.01Mn2+0.01Ba0.46Sr0.36(PO4)
Help on Environment: Environment: In the hyperagpaitic Palitra pegmatite. Ba-dominant analogue of olgite. Olgite is now a series name for bario- and strontio-olgite.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Mt. Kedykverpakhk, Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and relationship to olgite.
Help on Synonym: Synonym: Bari-olgite
  Bariolgite
  IMA2003-002
  Olgite - Ba bearing
  Olgite I
 

Bario-olgite Image

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  Manaksite   Bario-olgite

Comments: Pale brown massive manaksite associated with grayish-green bario-olgite, purple ussingite and colorless serandite.
Location: Palitra pegmatite, Kedykverpakhk Mountain, Lovozero massif, Kola Peninsula, Russia. Scale: See Image.
© Rruff Database

Bario-olgite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.26725
Help on Cell Dimensions: Cell Dimensions: a = 5.549, c = 7.032, Z = 2; V = 187.52 Den(Calc)= 3.96
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: P 3m1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.774(1)(110), 2.839(1)(012), 3.964(0.6)(011),1.984(0.4)(202), 1.611(0.26)(122), 7.044(0.22)(001), 2.344(0.2)(003),
 

Physical Properties of Bario-olgite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light green.
Help on Density: Density: 4
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Pyramidal - Crystals are shaped like pyramids.
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Bario-olgite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.016 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.006 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.158,KPDmeas= 0.1564,KC= 0.1589
Ncalc = 1.63 - 1.64
Help on Optical Data: Optical Data: Uniaxial (-), e=1.623, w=1.628, bire=0.0050.
 

Calculated Properties of Bario-olgite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.62 gm/cc
note: Specific Gravity of Bario-olgite =3.96 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEBario-olgite = 156.19 barns/electron
U=PEBario-olgite x relectron= 565.47 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,046.59 (Gamma Ray American Petroleum Institute Units)
Concentration of Bario-olgite per GRapi unit = 328.24 (PPM)

Estimated Radioactivity from Bario-olgite - mild
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.84 cm 69,979 1.89E-06 3,046.59 1.00
100 gm / 3.64 cm 6,998 1.89E-07 304.66 0.10
10 gm / 1.69 cm 700 1.89E-08 30.47 0.01
1 gm / 7.84 mm 70 1.89E-09 3.05 0.00
0.1 gm / 3.64 mm 7 1.89E-10 0.30 0.00
0.01 gm / 1.69 mm 1 1.89E-11 0.03 0.00
0.001 gm / 0.78 mm 0 1.89E-12 0.00 0.00

Weight of pure Bario-olgite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.96 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 0.16 % Th) From Sum REE Elements ( 3.11 % REE)
 

Bario-olgite Classification

Help on  Dana Class: Dana Class: 38.01.03.02 (38)Anhydrous Phosphates, etc
  (38.01)A+ B++ XO4
  (38.01.03)Dana Group
 
38.01.03.01 Olgite? Na(Sr,Ba)PO4 P 3m1 3 2/m
 
38.01.03.02 Bario-olgite! Na(Ba,Sr,Na,REE)PO4 P 3m1 3 2/m
Help on  Strunz Class: Strunz Class: 08.AC.40 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AC -With medium-sized and large cations
 
08.AC.40 Olgite? Na(Sr,Ba)PO4 P 3m1 3 2/m
 
08.AC.40 Bario-olgite! Na(Ba,Sr,Na,REE)PO4 P 3m1 3 2/m
 

Other Bario-olgite Information

Help on References: References: NAME( CanMin, 42:1905) PHYS. PROP.(CanMin, 42:1905) OPTIC PROP.(CanMin, 42:1905)
Help on See Also: See Also: Links to other databases for Bario-olgite :
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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Bario-olgite

Na(Ba,Sr,Na,REE)PO4
Dana No: 38.01.03.02 Strunz No: 08.AC.40
Locality:

 

Notes:

 

 
   
 


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