Olenite Mineral Data

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General Olenite Information

Chemical Formula:

NaAl3Al6(BO3)3(Si6O18)(O,OH)4

Composition:

Molecular Weight = 963.76 gm

Sodium 2.39 % Na 3.22 % Na₂O

Aluminum 25.20 % Al 47.61 % Al₂O₃

Silicon 17.49 % Si 37.41 % SiO₂

Boron 3.36 % B 10.84 % B₂O₃

Hydrogen 0.10 % H 0.93 % H₂O

Oxygen 51.46 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaAl₉(BO₃)₃Si₆O₂₁(OH)

Environment:

Aluminum-rich tourmaline. Forms a series with elbaite.

IMA Status:

Approved IMA 1986 (Dana # Changed)

Locality:

Decembrist pegmatite field, Olenik River Basin, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Olenite

Synonym:

ICSD 89900

Olenite - (61.3.1.7)

PDF 39-336

Tourmaline

Olenite Image

Images:

Olenite

Comments: Colorless, boron-rich crystal of Olenite in quartz.
Location: Koralpe, Styria, Austria. Scale: Crystal size 3 cm.
© Andreas Ertl / Institut für Mineralogie und Kristallographie

Olenite Crystallography

Axial Ratios:

a:c = 1:0.44842

Cell Dimensions:

a = 15.802, c = 7.086, Z = 3; V = 1,532.34 Den(Calc)= 3.13

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.551(1), 3.43(0.8), 3.95(0.7),

Crystal Structure:

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Ertl A , Hughes J M , Prowatke S , Rossman G R , London D , Fritz E A , American Mineralogist , 88 (2003) p.1369-1376, Mn-rich tourmaline from Austria: structure, chemistry, optical spectra, and, relations to synthetic solid solutions, Sample BT from Eibenstein an der Thaya, Lower Austria

View Additional jPOWD Structure files for Olenite
[1] [10] [11] [12] [13] [14] [15] [2] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Olenite

Cleavage:

None

Color:

Light pink.

Density:

3.01

Diaphaneity:

Translucent

Habit:

Acicular - Occurs as needle-like crystals.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

7 - Quartz

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Greasy

Streak:

white

Optical Properties of Olenite

Dichroism (e):

pinkish yellow.

Dichroism (w):

bright pink.

Gladstone-Dale:

CI meas= -0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2059,KPDmeas= 0.2141,KC= 0.2089
Ncalc = 1.63 - 1.65

Optical Data:

Uniaxial (-), e=1.635, w=1.654, bire=0.0190.

Calculated Properties of Olenite

Electron Density:

Bulk Density (Electron Density)=3.09 gm/cc
note: Specific Gravity of Olenite =3.13 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Olenite= 1.49 barns/electron
U=PE_Olenite x rElectron Density= 4.59 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Olenite is Not Radioactive

Olenite Classification

Dana Class:

61.03d.01.07 (61)Cyclosilicate Six-Membered Rings

(61.03d)with borate groups (Lithian Tourmaline Subgroup)

(61.03d.01)Elbaite Subgroup

61.03d.01.07 Olenite! NaAl3Al6(BO3)3(Si6O18)(O,OH)4 R 3m 3m

61.03d.01.08 Elbaite! Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 R 3m 3m

Strunz Class:

09.CK.05 09 - SILICATES (Germanates)

09.C - Cyclosilicates

09.CK -[Si6O18]12- 6-membered single rings, with insular complex anions

09.CK.05 Chromdravite! NaMg3(Cr,Fe)6(BO3)3Si6O18(OH)4 R 3m 3m

09.CK.05 Feruvite! (Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4 R 3m 3m

09.CK.05 Dravite NaMg3Al6(BO3)3Si6O18(OH)4 R 3m 3m

09.CK.05 Buergerite! NaFe3Al6(BO3)3Si6O21F R 3m 3m

09.CK.05 Foitite! []Na<0.5(Fe,Al)3Al6Si6O18(BO3)3(OH)4 R 3m 3m

09.CK.05 Liddicoatite! Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4 R 3m 3m

09.CK.05 Elbaite Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 R 3m 3m

09.CK.05 Rossmanite! []LiAl2Al6(Si6O18)(BO3)3(OH)4 R 3m 3m

09.CK.05 Olenite! NaAl3Al6(BO3)3(Si6O18)(O,OH)4 R 3m 3m

09.CK.05 Povondraite! (Na,K)(Fe,Fe)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 R 3m 3m

09.CK.05 Schorl NaFe3Al6(BO3)3Si6O18(OH)4 R 3m 3m

09.CK.05 Uvite (Ca,Na)(Mg,Fe)3Al5Mg(BO3)3Si6O18(OH,F)4 R 3m 3m

09.CK.05 Vanadiumdravite! NaMg3V6(Si6O18)(BO3)3(OH)4 R 3m 3m

09.CK.05 Magnesiofoitite! [](Mg2Al)Al6(Si6O18)(BO3)3(OH)4 R 3m 3m

09.CK.05 Hydroxyuvite! CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) R 3m 3m

09.CK.05 Schorl-(F)! NaFe3Al6Si6O18)(BO3)3(OH)3(F,OH) R 3m 3m

Other Olenite Information

References:

NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.73,p441,1988) OPTIC PROP.(Am.Min.,Vol.73,p441,1988)

See Also:

Links to other databases for Olenite :
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 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Olenite Specimen Label here :

Olenite

NaAl3Al6(BO3)3(Si6O18)(O,OH)4
Dana No: 61.03d.01.07 Strunz No: 09.CK.05
Locality:

Notes: