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Bolivarite Mineral Data
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General Bolivarite Information
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 Chemical Formula: |
Al2(PO4)(OH)3•4-5(H2O) |
| Composition: |
Molecular Weight = 281.03 gm |
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Aluminum 19.20 % Al 36.28 % Al2O3 |
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Phosphorus 11.02 % P 25.25 % P2O5 |
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Hydrogen 4.30 % H 38.46 % H2O |
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Oxygen 65.47 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Al2(PO4)(OH)3•4.5(H2O) |
| Environment: |
Found in crevices in granite. May be equivalent to evensite or varisite. |
| IMA Status: |
Valid Species (Pre-IMA) 1921 |
| Locality: |
Pontevedra, Spain. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Ignacio Boivar Y Urrutia (1850-?), Spanish entomologist. |
| Name Pronunciation: |
Bolivarite + Pronunciation  |
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Bolivarite Image |
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Images:
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Bolivarite Crystallography
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| Crystal System: |
Amorphous- No Crystals |
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Physical Properties of Bolivarite
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| Cleavage: |
None |
| Color: |
Greenish white, Yellow green. |
| Density: |
1.97 - 2.05, Average = 2 |
| Diaphaneity: |
Translucent |
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
| Hardness: |
2.5-3.5 - Finger Nail-Copper Penny |
| Luminescence: |
Fluorescent, Short UV=bright green. |
| Luster: |
Vitreous (Glassy) |
| Streak: |
white |
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Optical Properties of Bolivarite
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| Gladstone-Dale: |
CI meas= 0.003 (Superior) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2512,KC= 0.2521
Ncalc = 1.5 - 1.52 |
| Optical Data: |
Isotropic, n=1.5-1.51. |
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Calculated Properties of Bolivarite
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| Electron Density: |
Bulk Density (Electron Density)=2.07 gm/cc
note: Specific Gravity of Bolivarite =2.01 gm/cc.
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| Fermion Index: |
Fermion Index = 0.000320722
Boson Index = 0.999679278 |
| Photoelectric: |
PEBolivarite = 1.18 barns/electron
U=PEBolivarite x rElectron Density= 2.46 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bolivarite is Not Radioactive |
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Bolivarite Classification
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| Dana Class: |
42.06.08.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.06)where (AB)2 (XO4) Zq � x(H2O) |
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(42.06.08)Dana Group |
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42.06.08.01 Bolivarite Al2(PO4)(OH)3•4-5(H2O) None |
| Strunz Class: |
08.DF.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DF -With only medium-sized cations, (OH,etc.):RO4 > 3:1 |
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08.DF.10 Bolivarite Al2(PO4)(OH)3•4-5(H2O) None |
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08.DF.10 Evansite Al3(PO4)(OH)6•6(H2O)(?) None |
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08.DF.10 Liskeardite (Al,Fe)3(AsO4)(OH)6•5(H2O) Unk Ortho |
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08.DF.10 Rosieresite (Pb,Cu,Al)(PO4)x•n(H2O) None |
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Other Bolivarite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana;Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
| 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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Print or Cut-and-Paste your Bolivarite Specimen Label here :
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Bolivarite
Al2(PO4)(OH)3•4-5(H2O)
Dana No: 42.06.08.01 Strunz No: 08.DF.10
Locality:
Notes:
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