Kyanite Mineral Data (original) (raw)

General Kyanite Information

Help on Chemical Formula: Chemical Formula:

Al2SiO5 = Al[6]Al[6]OSiO4

Help on Composition: Composition:

Molecular Weight = 162.05 gm

Aluminum 33.30 % Al 62.92 % Al2O3

Silicon 17.33 % Si 37.08 % SiO2

Oxygen 49.37 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Al2SiO5

Help on Environment: Environment:

Metamorphosed peri-aluminous sedimentary rocks.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1789

Help on Locality: Locality:

Common world wide. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

From the Greek kyanos = "blue."

Help on Name Pronunciation: Name Pronunciation:

Kyanite Say KYANITE

Help on Synonym: Synonym:

Disthene

ICSD 27771

PDF Nov-46

Kyanite Image

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

Click Here for Larger Kyanite Image Kyanite Comments: Two terminated, bright blue crystals of kyanite in a white quartz matrix. Location: Barra do Salinas, Minas Gerais, Brazil.Scale: 9.5 x 4 x 4 cm. © Isaias Casanova / IC Minerals

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

Click Here for Larger Kyanite Image Kyanite Comments: Cluster of 4, green, gemmy, fluorescent blades of kyanite. Location: Pech, Afghanistan.Scale: 1.7 x 1.0 x 0.3 cm. © Kieth Hayes

Kyanite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.9066:1:0.7106

Help on Cell Dimensions: Cell Dimensions:

a = 7.112, b = 7.844, c = 5.574, Z = 4; alpha = 90.12°, beta = 101.1°, gamma = 105.9° V = 293.46 Den(Calc)= 3.67

Help on Crystal System: Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.18(1), 1.38(0.75), 3.35(0.65),

Help on Forms: Forms:

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

| | Forms:( 0 1 0) ( 1 1 0) ( 1 0 0) ( 0 0 1) Warning: this large pop-up is very compute intensive and may not work well with some computers. | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Click Here for Large Kyanite 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

| | Winter J K , Ghose S , American Mineralogist , 64 (1979) p.573-586, Thermal expansion and high-temperature crystal chemistry of the Al2SiO5, polymorphs, T = 25 deg C View Additional jPOWD Structure files for Kyanite [1] [10] [11] [12] [2] [3] [4] [5] [6] [7] [8] [9] | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Kyanite

Help on Cleavage: Cleavage:

{100} Perfect, {010} Imperfect

Help on Color: Color:

Blue, White, Gray, Green, Black.

Help on Density: Density:

3.56 - 3.67, Average = 3.61

Help on Diaphaneity: Diaphaneity:

Translucent to transparent

Help on Fracture: Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Help on Habit: Habit:

Columnar - Forms columns

Help on Habit: Habit:

Fibrous - Crystals made up of fibers.

Help on Hardness: Hardness:

4-7

Help on Luminescence: Luminescence:

Non-fluorescent.

Help on Luster: Luster:

Vitreous - Pearly

Help on Streak: Streak:

white

Optical Properties of Kyanite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.036 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.05 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1969,KPDmeas= 0.1999,KC= 0.2074
Ncalc = 1.74 - 1.76

Help on Optical Data: Optical Data:

Biaxial (-), a=1.712-1.718, b=1.72-1.725, g=1.727-1.734, bire=0.0150-0.0160, 2V(Calc)=84, 2V(Meas)=82. Dispersion weak, r > v.

Help on Pleochroism (x): Pleochroism (x):

colorless or colorless.

Help on Pleochroism (y): Pleochroism (y):

colorless or pale blue.

Calculated Properties of Kyanite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.57 gm/cc
note: Specific Gravity of Kyanite =3.62 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0083309363
Boson Index = 0.9916690637

Help on Photoelectric: Photoelectric:

PEKyanite = 1.64 barns/electron
U=PEKyanite x rElectron Density= 5.85 barns/cc.

Help on Radioactivity: Radioactivity:

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

Kyanite Classification

Help on Dana Class: Dana Class:

52.02.02c.01 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O

(52.02)with cations in [4] and >[4] coordination

(52.02.02c)Al2SiO5 (Kyanite subgroup)

52.02.02c.01 Kyanite Al2SiO5=Al[6]Al[6]OSiO4 P1 1

Help on Strunz Class: Strunz Class:

09.AF.15 09 - SILICATES (Germanates)

09.A - Nesosilicates

09.AF -Nesosilicates with additional anions;

09.AF.15 Kyanite Al2SiO5=Al[6]Al[6]OSiO4 P1 1

Other Kyanite Information

Help on See Also: See Also:

Links to other databases for Kyanite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - GeoScienceWorld
5 - Glendale Community College
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - HyperPhysics
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Minerals in Thin Section-University of North Carolina
14 - Minerals in Thin Sections-Humboldt State
15 - Online Mineral Museum
16 - Philatelic Mineralogy
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - Scandinavian mineral gallery
20 - Tradeshop.com - The Rainbow of Gems
21 - UCLA - Petrography Thin-Sections
22 - University of Colorado - Mineral Structure Data
23 - WWW-MINCRYST
24 - YupRocks
25 - theimage

Search for Kyanite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Kyanite :

A Bijoux Google Search for Kyanite
Adam's Minerals Google Search for Kyanite
Cape Minerals Google Search for Kyanite
Dakota Matrix Minerals Google Search for Kyanite
Excalibur Mineral Corp. Google Search for Kyanite
Exceptional Minerals Google Search for Kyanite
John Betts Fine Minerals Search for Kyanite
McDougall Minerals Google Search for Kyanite
Mineral News Website Link
Rock and Mineral Shows Google Search for Kyanite
Weinrich Minerals, Inc. Google Search for Kyanite

Ask about Kyanite 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 Espa�ol

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

Kyanite

Al2SiO5 = Al[6]Al[6]OSiO4
Dana No: 52.02.02c.01 Strunz No: 09.AF.15
Locality:

Notes: