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Bolivarite Mineral Data

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General Bolivarite Information

Help on Chemical  Formula: Chemical Formula: Al2(PO4)(OH)3•4-5(H2O)
Help on Composition: Composition: Molecular Weight = 281.03 gm
   Aluminum    19.20 %  Al   36.28 % Al2O3
   Phosphorus  11.02 %  P    25.25 % P2O5
   Hydrogen     4.30 %  H    38.46 % H2O
   Oxygen      65.47 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al2(PO4)(OH)3•4.5(H2O)
Help on Environment: Environment: Found in crevices in granite. May be equivalent to evensite or varisite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1921
Help on Locality: Locality: Pontevedra, Spain. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ignacio Boivar Y Urrutia (1850-?), Spanish entomologist.
Help on Name Pronunciation: Name Pronunciation: Bolivarite + Pronunciation Say BOLIVARITE

Bolivarite Image

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Comments: Yellow translucent mass of bolivarite.
Location: Pontevedra, Galicia, Spain. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bolivarite Crystallography

Help on Crystal System: Crystal System: Amorphous- No Crystals

Physical Properties of Bolivarite

Help on Cleavage: Cleavage: None
Help on Color: Color: Greenish white, Yellow green.
Help on Density: Density: 1.97 - 2.05, Average = 2
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 2.5-3.5 - Finger Nail-Copper Penny
Help on Luminescence: Luminescence: Fluorescent, Short UV=bright green.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Bolivarite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2512,KC= 0.2521
Ncalc = 1.5 - 1.52
Help on Optical Data: Optical Data: Isotropic, n=1.5-1.51.

Calculated Properties of Bolivarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.07 gm/cc
note: Specific Gravity of Bolivarite =2.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000320722
Boson Index = 0.999679278
Help on Photoelectric: Photoelectric: PEBolivarite = 1.18 barns/electron
U=PEBolivarite x rElectron Density= 2.46 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bolivarite is Not Radioactive

Bolivarite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.06)where (AB)2 (XO4) Zq � x(H2O)
  (42.06.08)Dana Group Bolivarite Al2(PO4)(OH)3•4-5(H2O) None
Help on  Strunz Class: Strunz Class: 08.DF.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DF -With only medium-sized cations, (OH,etc.):RO4 > 3:1
08.DF.10 Bolivarite Al2(PO4)(OH)3•4-5(H2O) None
08.DF.10 Evansite Al3(PO4)(OH)6•6(H2O)(?) None
08.DF.10 Liskeardite (Al,Fe)3(AsO4)(OH)6•5(H2O) Unk Ortho
08.DF.10 Rosieresite (Pb,Cu,Al)(PO4)x•n(H2O) None

Other Bolivarite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana;Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Bolivarite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 08.DF.10





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