Beryllonite Mineral Data (original) (raw)

General Beryllonite Information

Help on Chemical Formula: Chemical Formula:

NaBePO4

Help on Composition: Composition:

Molecular Weight = 126.97 gm

Sodium 18.11 % Na 24.41 % Na2O

Beryllium 7.10 % Be 19.70 % BeO

Phosphorus 24.39 % P 55.90 % P2O5

Oxygen 50.40 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

NaBe(PO4)

Help on Environment: Environment:

Occurs as a rare secondary mineral in granitic and alkalic pegmatites.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1888

Help on Locality: Locality:

In the USA, in Maine, found on Sugarloaf Mountain, near Stoneham, at the Dunton quarry and the Bell Pit, Newry, Oxford Co., and other minor occurrences. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

For one of the major constituents in the composition, BERYLLium.

Help on Name Pronunciation: Name Pronunciation:

Beryllonite + Pronunciation Say BERYLLONITE

Help on Synonym: Synonym:

ICSD 9271

PDF 33-1213

Beryllonite Image

Click Here for Larger Beryllonite Image in a New Browser Window Images:

Click Here for Larger Beryllonite Image Beryllonite Comments: Clear twinned crystal of beryllonite. Location: Telecio mine, Linopolis, Minas Gerais, Brazil.Scale: Crystal size 1 cm. © John Veevaert

Beryllonite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.0476:1:1.826

Help on Cell Dimensions: Cell Dimensions:

a = 8.13, b = 7.76, c = 14.17, Z = 12; beta = 90° V = 893.97 Den(Calc)= 2.83

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.84(1), 3.65(0.9), 2.28(0.7),

Click Here for Large Beryllonite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
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B - Bonds On/Off
Help on Above

| | Giuseppetti G , Tadini C , Tschermaks Mineralogische und Petrographische Mitteilungen , 20 (1973) p.1-12, Refinment of the crystal structure of beryllonite | | -------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Beryllonite

Help on Cleavage: Cleavage:

{???} Perfect, {???} Good, Perfect

Help on Color: Color:

Colorless, White, Light yellow.

Help on Density: Density:

2.8

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Fracture: Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Help on Hardness: Hardness:

5.5-6 - Knife Blade-Orthoclase

Help on Luminescence: Luminescence:

Non-fluorescent.

Help on Luster: Luster:

Vitreous - Pearly

Help on Magnetism: Magnetism:

Nonmagnetic

Help on Streak: Streak:

white

Optical Properties of Beryllonite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.004 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1968,KPDmeas= 0.1989,KC= 0.1959
Ncalc = 1.55

Help on Optical Data: Optical Data:

Biaxial (-), a=1.552, b=1.5579, g=1.561, bire=0.0090

Calculated Properties of Beryllonite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.76 gm/cc
note: Specific Gravity of Beryllonite =2.83 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Help on Photoelectric: Photoelectric:

PEBeryllonite = 1.52 barns/electron
U=PEBeryllonite x rElectron Density= 4.19 barns/cc.

Help on Radioactivity: Radioactivity:

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

Beryllonite Classification

Help on Dana Class: Dana Class:

38.01.05.01 (38)Anhydrous Phosphates, etc

(38.01)A+ B++ XO4

(38.01.05)Dana Group

38.01.05.01 Beryllonite NaBePO4 P 21/n 2/m

Help on Strunz Class: Strunz Class:

08.AA.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.A - Phosphates, etc. without additional anions, without H2O

08.AA -With small cations (some also with larger ones)

08.AA.10 Beryllonite NaBePO4 P 21/n 2/m

Other Beryllonite Information

Help on References: References:

NAME( AntBidBlaNic4) PHYS. PROP.(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 Beryllonite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - GeoScienceWorld
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - Scandinavian mineral gallery
19 - WWW-MINCRYST

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Ask about Beryllonite here :
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Print or Cut-and-Paste your Beryllonite Specimen Label here :

Beryllonite

NaBePO4
Dana No: 38.01.05.01 Strunz No: 08.AA.10
Locality:

Notes: