Xenotime-(Y) Mineral Data

Xenotime-(Y) Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974


General Xenotime-(Y) Information

Help on Chemical Formula: Chemical Formula: YPO4
Help on Composition: Composition: Molecular Weight = 183.88 gm
   Yttrium     48.35 %  Y    61.40 % Y2O3
   Phosphorus  16.84 %  P    38.60 % P2O5
   Oxygen      34.80 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y(PO4)
Help on Environment: Environment: Minor accessory mineral in both acidic and alkalic igneous rocks and their pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek xenos - "foreign" and time - "honor."
Help on Name Pronunciation: Name Pronunciation: Xenotime-(Y) Say XENOTIME-(Y)
Help on Synonym: Synonym: ICSD 79754
  PDF 11-254
 

Xenotime-(Y) Image

Click Here for Larger Xenotime-(Y) Image in a New Browser Window Images:
Click Here for Larger Xenotime-(Y) Image

Xenotime-(Y)

Comments: Dark brown colored Xenotime-(Y) crystal.
Location: Hurricane Mountain, Conway, Carroll County, New Hampshire, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Xenotime-(Y) Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.87518
Help on Cell Dimensions: Cell Dimensions: a = 6.89, c = 6.03, Z = 4; V = 286.26 Den(Calc)= 4.27
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.45(1), 1.768(0.5), 2.56(0.5),
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 0 0) ( 1 0 1)

Warning: this large pop-up is very compute intensive and may not work well with some computers.
Click Here for Large Xenotime-(Y) 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


Ni Y , Hughes J M , Mariano A N , American Mineralogist , 80 (1995) p.21-26, Crystal chemistry of the monazite and xenotime structures

 

Physical Properties of Xenotime-(Y)

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Yellowish brown, Greenish brown, Gray, Reddish brown, Brown.
Help on Density: Density: 4.4 - 5.1, Average = 4.75
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Xenotime-(Y)

Help on Dichroism (e): Dichroism (e): pink, yellow, or yellow brown.
Help on Dichroism (w): Dichroism (w): brownish yellow, grayish brown, or greenish.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.076 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.18,KPDmeas= 0.1618,KC= 0.175
Ncalc = 1.75 - 1.89
Help on Optical Data: Optical Data: Uniaxial (+), w=1.721, e=1.816, bire=0.0950.
 

Calculated Properties of Xenotime-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.99 gm/cc
note: Specific Gravity of Xenotime-(Y) =4.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001670617
Boson Index = 0.9998329383
Help on Photoelectric: Photoelectric: PEXenotime-(Y) = 61.49 barns/electron
U=PEXenotime-(Y) x rElectron Density= 245.62 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Xenotime-(Y) is Not Radioactive
 

Xenotime-(Y) Classification
Help on Dana Class: Dana Class: 38.04.11.01 (38)Anhydrous Phosphates, etc
  (38.04)A+ XO4
  (38.04.11)Zenotime Group (Tetragonal: I41/amd)
 
38.04.11.01 Xenotime-(Y) YPO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.02 Chernovite-(Y) YAsO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.03 Wakefieldite-(Y) YVO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.04 Wakefieldite-(Ce) (Ce,Pb,Pb)VO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.05 Pretulite! ScPO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.06 Xenotime-(Yb)! YbPO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.07 Wakefieldite-(La)! LaVO4 I 41/amd 4mm
 
38.04.11.08 Wakefieldite-(Nd)! NdVO4 I 41/amd 4mm
Help on Strunz Class: Strunz Class: 08.AD.35 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AD -With only large cations
 
08.AD.35 Dreyerite BiVO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Chernovite-(Y) YAsO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Pretulite! ScPO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Xenotime-(Y) YPO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Wakefieldite-(Ce) (Ce,Pb,Pb)VO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Wakefieldite-(Y) YVO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Xenotime-(Yb)! YbPO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Wakefieldite-(La)! LaVO4 I 41/amd 4mm
 
08.AD.35 Wakefieldite-(Nd)! NdVO4 I 41/amd 4mm
 

Other Xenotime-(Y) Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Xenotime-(Y) :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Xenotime-(Y) using:

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

Visit our Advertisers for Xenotime-(Y) :

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 Xenotime-(Y) Mineral Data :

Ask about Xenotime-(Y) 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 Xenotime-(Y) Specimen Label here :

Xenotime-(Y)

YPO4
Dana No: 38.04.11.01 Strunz No: 08.AD.35
Locality:

 

Notes: