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Hydroxyuvite Mineral Data
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General Hydroxyuvite Information
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 Chemical Formula: |
CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) |
| Composition: |
Molecular Weight = 973.16 gm |
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Calcium 4.12 % Ca 5.76 % CaO |
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Magnesium 9.99 % Mg 16.57 % MgO |
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Aluminum 13.86 % Al 26.19 % Al2O3 |
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Silicon 17.32 % Si 37.04 % SiO2 |
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Boron 3.33 % B 10.73 % B2O3 |
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Hydrogen 0.41 % H 3.70 % H2O |
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Oxygen 50.97 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaMg4Al5Si6O18(BO3)3(OH)4 |
| Environment: |
Tourmaline group; structure ulviite |
| IMA Status: |
Proposed IMA 2000 (Dana # Added) |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as the OH analog of uvite |
| Synonym: |
IMA2000-030 |
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Hydroxyuvite Crystallography
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| Axial Ratios: |
a:c = 1:0.45217 |
| Cell Dimensions: |
a = 15.954, c = 7.214, Z = 3; V = 1,590.18 Den(Calc)= 3.05 |
| Crystal System: |
Trigonal - Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 3.978(1), 2.582(0.9), 4.234(0.9),2.969(0.8), 3.491(0.7), 4.596(0.5), 4.981(0.5), 6.38(0.5), |
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Physical Properties of Hydroxyuvite
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| Color: |
Orange. |
| Diaphaneity: |
Transparent |
| Luster: |
Vitreous (Glassy) |
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Optical Properties of Hydroxyuvite
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| Gladstone-Dale: |
CI calc= 0.019 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2082,KC= 0.2122
Ncalc = 1.65 |
| Optical Data: |
Uniaxial (-), e=1.624, w=1.646, bire=0.0220. |
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Calculated Properties of Hydroxyuvite
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| Electron Density: |
Bulk Density (Electron Density)=3.03 gm/cc
note: Specific Gravity of Hydroxyuvite =3.05 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEHydroxyuvite = 1.84 barns/electron
U=PEHydroxyuvite x rElectron Density= 5.59 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydroxyuvite is Not Radioactive |
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Hydroxyuvite Classification
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| Dana Class: |
61.03b.01.05 (61)Cyclosilicate Six-Membered Rings |
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(61.03b)with borate groups (Calcic Tourmaline Subgroup) |
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(61.03b.01)Liddicoatite Subgroup |
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61.03b.01.02 Liddicoatite! Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4 R 3m 3m |
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61.03b.01.03 Uvite! (Ca,Na)(Mg,Fe)3Al5Mg(BO3)3Si6O18(OH,F)4 R 3m 3m |
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61.03b.01.04 Feruvite! (Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4 R 3m 3m |
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61.03b.01.05 Hydroxyuvite! CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) R 3m 3m |
| Strunz Class: |
09.CK.05 09 - SILICATES (Germanates) |
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09.C - Cyclosilicates |
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09.CK -[Si6O18]12- 6-membered single rings, with insular complex anions |
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09.CK.05 Chromdravite! NaMg3(Cr,Fe)6(BO3)3Si6O18(OH)4 R 3m 3m |
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09.CK.05 Feruvite! (Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4 R 3m 3m |
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09.CK.05 Dravite NaMg3Al6(BO3)3Si6O18(OH)4 R 3m 3m |
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09.CK.05 Buergerite! NaFe3Al6(BO3)3Si6O21F R 3m 3m |
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09.CK.05 Foitite! []Na<0.5(Fe,Al)3Al6Si6O18(BO3)3(OH)4 R 3m 3m |
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09.CK.05 Liddicoatite! Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4 R 3m 3m |
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09.CK.05 Elbaite Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 R 3m 3m |
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09.CK.05 Rossmanite! []LiAl2Al6(Si6O18)(BO3)3(OH)4 R 3m 3m |
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09.CK.05 Olenite! NaAl3Al6(BO3)3(Si6O18)(O,OH)4 R 3m 3m |
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09.CK.05 Povondraite! (Na,K)(Fe,Fe)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 R 3m 3m |
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09.CK.05 Schorl NaFe3Al6(BO3)3Si6O18(OH)4 R 3m 3m |
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09.CK.05 Uvite (Ca,Na)(Mg,Fe)3Al5Mg(BO3)3Si6O18(OH,F)4 R 3m 3m |
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09.CK.05 Vanadiumdravite! NaMg3V6(Si6O18)(BO3)3(OH)4 R 3m 3m |
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09.CK.05 Magnesiofoitite! [](Mg2Al)Al6(Si6O18)(BO3)3(OH)4 R 3m 3m |
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09.CK.05 Hydroxyuvite! CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) R 3m 3m |
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09.CK.05 Schorl-(F)! NaFe3Al6Si6O18)(BO3)3(OH)3(F,OH) R 3m 3m |
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Other Hydroxyuvite Information
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| See Also: |
Links to other databases for Hydroxyuvite :
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 Hydroxyuvite Specimen Label here :
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Hydroxyuvite
CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Dana No: 61.03b.01.05 Strunz No: 09.CK.05
Locality:
Notes:
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