Reedmergnerite Mineral Data

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General Reedmergnerite Information

Chemical Formula:

NaBSi3O8

Composition:

Molecular Weight = 246.05 gm

Sodium 9.34 % Na 12.59 % Na₂O

Silicon 34.24 % Si 73.26 % SiO₂

Boron 4.39 % B 14.15 % B₂O₃

Oxygen 52.02 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaBSi₃O₈

Environment:

Authigenic mineral in black oil shale and brown dolomitic rock.

IMA Status:

Approved IMA 1960

Locality:

Joseph Smith No. ! Well, Duchesne County, Utah, USA. Link to MinDat.org Location Data.

Name Origin:

Named for Frank S. Reed (1894-?) and John L. Mergner (1894-?), Laboratory technicians, U. S. Geological Survey.

Name Pronunciation:

Reedmergnerite + Pronunciation

Synonym:

ICSD 66324

PDF 18-1201

Reedmergnerite Image

Images:

Reedmergnerite

Comments: Peach colored crystalline reedmergnerite in quartz.
Location: Dara-Pioz, Tien-Shan, Tadzhikistan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Reedmergnerite Crystallography

Axial Ratios:

a:b:c =0.6337:1:0.5504

Cell Dimensions:

a = 7.833, b = 12.36, c = 6.803, Z = 4; alpha = 93.31°, beta = 116.35°, gamma = 92.06° V = 588.84 Den(Calc)= 2.78

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: C1

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

By Intensity(I/I_o): 3.037(1), 3.076(0.9), 3.561(0.9),

Crystal Structure:

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Appleman D E , Clark J R , American Mineralogist , 50 (1965) p.1827-1850, Crystal structure of reedmergnerite, a boron albite, and its relation to, feldspar crystal chemistry

View Additional jPOWD Structure files for Reedmergnerite
[1] [2] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Reedmergnerite

Cleavage:

{001} Perfect

Color:

Beige yellow, Colorless, Orange.

Density:

2.776

Diaphaneity:

Transparent

Hardness:

6-6.5 - Orthoclase-Pyrite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Reedmergnerite

Gladstone-Dale:

CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.019 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2029,KPDmeas= 0.2032,KC= 0.2067
Ncalc = 1.57

Optical Data:

Biaxial (-), a=1.554, b=1.565, g=1.573, bire=0.0190, 2V(Calc)=80, 2V(Meas)=80.

Calculated Properties of Reedmergnerite

Electron Density:

Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Reedmergnerite =2.78 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_{Reedmergnerite}= 1.51 barns/electron
U=PE_{Reedmergnerite} x rElectron Density= 4.17 barns/cc.

Radioactivity:

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

Reedmergnerite Classification

Dana Class:

76.01.04.01 (76)Tectosilicate Al-Si Framework

(76.01)with Al-Si frameworks

(76.01.04)Dana Group

76.01.04.01 Reedmergnerite NaBSi3O8 C1 1

Strunz Class:

09.FA.35 09 - SILICATES (Germanates)

09.F - Tektosilicates without Zeolitic H2O

09.FA -Tektosilicates without additional non-tetrahedral anions, (Al,B):Si = 1:1

09.FA.35 Albite NaAlSi3O8 C1 1

09.FA.35 Bytownite* (Ca,Na)(Si,Al)4O8 C1 1

09.FA.35 Anorthite CaAl2Si2O8 P1,I1 1

09.FA.35 Andesine* (Na,Ca)(Si,Al)4O8 C1 1

09.FA.35 Labradorite* (Ca,Na)(Si,Al)4O8 C1 1

09.FA.35 Oligoclase (Na,Ca)(Si,Al)4O8 C1 1

09.FA.35 Reedmergnerite NaBSi3O8 C1 1

09.FA.35 Plagioclase* (Na,Ca)(Si,Al)4O8 C1 1

Other Reedmergnerite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Reedmergnerite :
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
15 - WWW-MINCRYST

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

Reedmergnerite

NaBSi3O8
Dana No: 76.01.04.01 Strunz No: 09.FA.35
Locality:

Notes: