Beryl Mineral Data

Beryl Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


AA Mineral Sepcimens
[What's New] [Mineral Galleries] [About Us] [Contacts] [Login]
At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones,
Decorative Stones, Lapidary Material and Specimen Sets world-wide


General Beryl Information

Help on Chemical Formula: Chemical Formula: Be3Al2Si6O18
Help on Composition: Composition: Molecular Weight = 537.50 gm
   Beryllium   5.03 %  Be   13.96 % BeO
   Aluminum   10.04 %  Al   18.97 % Al2O3
   Silicon    31.35 %  Si   67.07 % SiO2
   Oxygen     53.58 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Be3Al2Si6O18
Help on Environment: Environment: Mainly granitic pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Pala pegmatite District, San Diego Co., California for morganite. Columbia for emeralds. Russia for heliodor. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the ancient Greek, beryllos, signifying a "precious blue-green color of sea water" stone, but through later usage, applied only to beryl.
Help on Name Pronunciation: Name Pronunciation: Beryl Say BERYL
Help on Synonym: Synonym: Aquamarine - Blue varitey
  Emerald - green
  Goshenite - colorless
  Heliodor - yellow
  ICSD 2791
  Morganite - pink
  PDF 9-430
 

Beryl Image

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

Beryl

Comments: Transparent Goshenite, the colorless variety of beryl with orthoclase and muscovite.
Location: Pingwu, Sichuan, China. Scale: 9 x 8.5 cm.
© Fabre Minerals
Click Here for Larger Beryl Image in a New Browser Window Images:
Click Here for Larger Beryl Image

Beryl

Comments: Transparent Aquamarine, the blue variety of beryl.
Location: Nagar, Pakistan. Scale: 3 x 4 x 8.5 cm.
© Dan Weinrich
Click Here for Larger Beryl Image in a New Browser Window Images:
Click Here for Larger Beryl Image

Beryl   Calcite

Comments: Transparent emerald, the green variety of beryl on calcite (marble) matrix.
Location: Coscuez, Boyacá, Colombia. Scale: 2.5 x 2.5 cm.
© Fabre Minerals
Click Here for Larger Beryl Image in a New Browser Window Images:
Click Here for Larger Beryl Image

Beryl

Comments: Transparent Morganite, the pink variety of beryl.
Location: Nuristan, Laghman Province, Afghanistan. Scale: 9.2 x 6.5 cm.
© John Veevaert
Click Here for Larger Beryl Image in a New Browser Window Images:
Click Here for Larger Beryl Image

Beryl

Comments: Transparent Heliodor, the yellow variety of beryl.
Location: Wolodarsk, Wolynsky, Ukraine. Scale: 2.8 x 0.7 cm.
© John Veevaert
Click Here for Larger Beryl Image in a New Browser Window Images:
Click Here for Larger Beryl Image

Beryl

Comments: Red beryl prism on rhyolite matrix.
Location: Violet claims, Wah Wah Mountains, Beaver County, Utah, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Beryl Image in a New Browser Window Images:
Click Here for Larger Beryl Image

Beryl   Apatite-(CaF)   Muscovite   Apatite

Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals.
Location: Nagar area, Gilgit district, Northern Areas, Pakistan. Scale: 3 x 3 cm.
© Dan Weinrich

Beryl Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.9975
Help on Cell Dimensions: Cell Dimensions: a = 9.215, c = 9.192, Z = 2; V = 675.98 Den(Calc)= 2.64
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.867(1), 3.254(0.95), 7.98(0.9),
Help on Forms: Forms:

Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above

Forms: ( 1 1 2) ( 2 1 2) ( 0 0 1) ( 1 0 2) ( 1 0 0) ( 1 1 0)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Beryl Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Brown G E , Mills B A , American Mineralogist , 71 (1986) p.547-556, High-temperature structure and crystal chemistry of hydrous alkali-rich beryl, from the Harding pegmatite, Taos County, New Mexico, Sample: T = 24 deg C, before heating, O2x has been corrected

View Additional jPOWD Structure files for Beryl
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [3] [30] [31] [32] [33] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Beryl

Help on Cleavage: Cleavage: {0001} Imperfect
Help on Color: Color: Green, Blue, Yellow, Colorless, Pink.
Help on Density: Density: 2.63 - 2.9, Average = 2.76
Help on Diaphaneity: Diaphaneity: Transparent to subtranslucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Columnar - Forms columns
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 7.5-8
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: white
 

Optical Properties of Beryl

Help on Dichroism (e): Dichroism (e): yellowish green, colorless, or colorless.
Help on Dichroism (w): Dichroism (w): bluish green, blue, or pink.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.039 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2205,KPDmeas= 0.2106,KC= 0.2123
Ncalc = 1.56 - 1.62
Help on Optical Data: Optical Data: Uniaxial (-), e=1.564-1.595, w=1.568-1.602, bire=0.0040-0.0070.
 

Calculated Properties of Beryl

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.74 gm/cc
note: Specific Gravity of Beryl =2.77 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEBeryl = 1.55 barns/electron
U=PEBeryl x rElectron Density= 4.24 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Beryl is Not Radioactive
 

Beryl Classification
Help on Dana Class: Dana Class: 61.01.01.01 (61)Cyclosilicate Six-Membered Rings
  (61.01)with [Si6O18] rings; possible (OH) and Al substitution
  (61.01.01)Beryl group
 
61.01.01.01 Beryl Be3Al2Si6O18 P 6/mmc 6/m 2/m 2/m
 
61.01.01.02 Bazzite Be3(Sc,Al)2Si6O18 P 6/mcc 6/m 2/m 2/m
 
61.01.01.03 Indialite Mg2Al4Si5O18 P 6/mcc 6/m 2/m 2/m
 
61.01.01.04 Stoppaniite! (Fe,Al,Mg)4(Na,[])2[Be6Si12O36]•2(H2O) P 6/mmc 6/m 2/m 2/m
 
61.01.01.05 Pezzottaite! Cs(Be2Li)Al2Si6O18 R 3c 3m
Help on Strunz Class: Strunz Class: 09.CJ.05 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CJ -[Si6O18]12- 6-membered single rings (sechser-Einfachringe),
 
09.CJ.05 Beryl Be3Al2Si6O18 P 6/mmc 6/m 2/m 2/m
 
09.CJ.05 Bazzite Be3(Sc,Al)2Si6O18 P 6/mcc 6/m 2/m 2/m
 
09.CJ.05 Indialite Mg2Al4Si5O18 P 6/mcc 6/m 2/m 2/m
 
09.CJ.05 Stoppaniite! (Fe,Al,Mg)4(Na,[])2[Be6Si12O36]•2(H2O) P 6/mmc 6/m 2/m 2/m
 
09.CJ.05 Pezzottaite! Cs(Be2Li)Al2Si6O18 R 3c 3m
 

Other Beryl Information
Help on References: References: NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Heinrich65)
Help on See Also: See Also: Links to other databases for Beryl :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - CalTech Mineral Spectroscopy
7 - EUROmin Project
8 - Ecole des Mines de Paris
9 - Glendale Community College
10 - Google Images
11 - Google Scholar
12 - Handbook of Mineralogy (MinSocAm)
13 - Handbook of Mineralogy (UofA)
14 - HyperPhysics
15 - MinDAT
16 - MinMax(Deutsch)
17 - MinMax(English)
18 - Mineral and Gemstone Kingdom
19 - Mineralienatlas (Deutsch)
20 - NSDL Reciprocal Net (JAVA)
21 - NSDL Reciprocal Net (JAVA)
22 - Philatelic Mineralogy
23 - QUT Mineral Atlas
24 - Ruff.Info
25 - Scandinavian mineral gallery
26 - Tradeshop.com - The Rainbow of Gems
27 - University of Texas at Austin
28 - WWW-MINCRYST
29 - YupRocks

Search for Beryl using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Beryl :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Beryl Mineral Data :

Ask about Beryl here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Beryl

Be3Al2Si6O18
Dana No: 61.01.01.01 Strunz No: 09.CJ.05
Locality:

 

Notes: