Jadeite Mineral Data

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



[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.


General Jadeite Information

Help on Chemical Formula: Chemical Formula: Na(Al,Fe+++)Si2O6
Help on Composition: Composition: Molecular Weight = 205.03 gm
   Sodium    11.21 %  Na   15.11 % Na2O
   Aluminum  11.84 %  Al   22.38 % Al2O3
   Iron       2.72 %  Fe    3.89 % Fe2O3
   Silicon   27.40 %  Si   58.61 % SiO2
   Oxygen    46.82 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaAl0.9Fe3+0.1(Si2O6)
Help on Environment: Environment: Strongly metamorphosed sodium-rich serpentinous rocks
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1863
Help on Locality: Locality: Clear Creek, San Benito County, California. Near Tawmaw and Hpakan villages, Upper Burma. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Spanish, piedra de ijada, "stone of the side," because its supposed to cure kidney ailments if applied to the side of the body.
Help on Name Pronunciation: Name Pronunciation: Jadeite Say JADEITE
Help on Synonym: Synonym: ICSD 10232
  PDF 22-1338
 

Jadeite Image

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

Jadeite

Comments: Fibrous crystals of Jadeite.
Location: Russian River, near Cloverdale, Mendocino County, California, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Jadeite Image in a New Browser Window Images:
Click Here for Larger Jadeite Image

Jadeite   Stronalsite

Comments: White stronalsite veinlets in massive pale green jadeite.
Location: Ohasa, Okayama, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jadeite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0999:1:0.6095
Help on Cell Dimensions: Cell Dimensions: a = 9.418, b = 8.562, c = 5.219, Z = 4; beta = 107.56° V = 401.23 Den(Calc)= 3.39
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.83(1), 2.42(0.9), 2.92(0.8),
Click Here for Large Jadeite 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


Prewitt C T , Burnham C W , American Mineralogist , 51 (1966) p.956-975, The crystal structure of jadeite, NaAlSi2O6

View Additional jPOWD Structure files for Jadeite
[1] [2] [3] [4]
 

Physical Properties of Jadeite

Help on Cleavage: Cleavage: {110} Good
Help on Color: Color: Green, White, Pale bluish gray, Grayish green, Pale purple.
Help on Density: Density: 3.25 - 3.35, Average = 3.3
Help on Diaphaneity: Diaphaneity: Translucent to subtranslucent
Help on Fracture: Fracture: Tough - Difficult to break apart as shown by fibrous minerals and most metals.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Jadeite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.054 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1979,KPDmeas= 0.2033,KC= 0.2092
Ncalc = 1.68 - 1.71
Help on Optical Data: Optical Data: Biaxial (+), a=1.654-1.673, b=1.659-1.679, g=1.667-1.693, bire=0.0130-0.0200, 2V(Calc)=68-78, 2V(Meas)=70-80. Dispersion r < v.
Help on Pleochroism (x): Pleochroism (x): colorless or green.
Help on Pleochroism (y): Pleochroism (y): colorless or yellowish green.
 

Calculated Properties of Jadeite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.26 gm/cc
note: Specific Gravity of Jadeite =3.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEJadeite = 2.38 barns/electron
U=PEJadeite x rElectron Density= 7.76 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jadeite is Not Radioactive
 

Jadeite Classification
Help on Dana Class: Dana Class: 65.01.03c.01 (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.01)with chains P=2
  (65.01.03c)C2/c clinopyroxenes (Na clinopyroxenes)
 
65.01.03c.01 Jadeite Na(Al,Fe)Si2O6 C 2/c 2/m
 
65.01.03c.02 Aegirine NaFeSi2O6 C 2/c 2/m
 
65.01.03c.03 Namansilite NaMn(Si2O6) C 2/c 2/m
 
65.01.03c.04 Kosmochlor NaCrSi2O6 C 2/c 2/m
 
65.01.03c.05 Natalyite Na(V,Cr)Si2O6 C 2/c 2/m
 
65.01.03c.06 Jervisite (Na,Ca,Fe)(Sc,Mg,Fe)Si2O6 C 2/c 2/m
Help on Strunz Class: Strunz Class: 09.DA.25 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DA -Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
 
09.DA.25 Aegirine NaFeSi2O6 C 2/c 2/m
 
09.DA.25 Jadeite Na(Al,Fe)Si2O6 C 2/c 2/m
 
09.DA.25 Kosmochlor NaCrSi2O6 C 2/c 2/m
 
09.DA.25 Jervisite (Na,Ca,Fe)(Sc,Mg,Fe)Si2O6 C 2/c 2/m
 
09.DA.25 Namansilite NaMn(Si2O6) C 2/c 2/m
 
09.DA.25 Natalyite Na(V,Cr)Si2O6 C 2/c 2/m
 

Other Jadeite Information
Help on See Also: See Also: Links to other databases for Jadeite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - CalTech Mineral Spectroscopy
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineral and Gemstone Kingdom
15 - Mineralienatlas (Deutsch)
16 - NSDL Reciprocal Net (JAVA)
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - Tradeshop.com - The Rainbow of Gems
20 - UCLA - Petrography Thin-Sections
21 - University of Texas at Austin
22 - WWW-MINCRYST

Search for Jadeite using:

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

Visit our Advertisers for Jadeite :

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 Jadeite Mineral Data :

Ask about Jadeite 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 Espaņol

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

Jadeite

Na(Al,Fe+++)Si2O6
Dana No: 65.01.03c.01 Strunz No: 09.DA.25
Locality:

 

Notes: