Fluorite Mineral Data

Fluorite Mineral Data
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General Fluorite Information

Help on Chemical Formula: Chemical Formula: CaF2
Help on Composition: Composition: Molecular Weight = 78.07 gm
   Calcium   51.33 %  Ca   71.83 % CaO
   Fluorine  48.67 %  F    48.67 % F
               -   %   F   -20.49 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaF2
Help on Environment: Environment: Low temperature vein deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Common world wide. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition containing fluorine (Latin, fluere = "to flow").
Help on Name Pronunciation: Name Pronunciation: Fluorite Say FLUORITE
Help on Synonym: Synonym: Fluor Spar
  ICSD 60559
  PDF 35-816
  Yttrocerite-{Y)
  Yttrofluorite - Y-enriched variety of fluorite
  ]
 

Fluorite Image

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Fluorite

Comments: Cubic fluorite crystals with octahedral galena crystals. The largest crystal is 2.1 cm across. Note the exceptional fluorescence of these crystals.
Location: Rogerley Mine, in Weardale, England. Scale: 7.8 x 5.5.
© John Veevaert
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Fluorite   Creedite

Comments: Well-developed, prismatic, reddish creedite crystals on green fluorite.
Location: Mina Navidad, Rodeo, Durango, Mexico. Scale: 9 x 5 x 5.3 cm.
© Fabre Minerals
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Fluorite

Comments: Red-orange octahedral fluorite crystals on an albite matrix with well defined edges and faces.
Location: Pointe Kurz (3600 m altitude), Mont Blanc Massif, Haute-Savoie, France. Scale: Crystal size is 2.1 x 1.5 cm.
© Fabre Minerals

Fluorite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 5.463, Z = 4; V = 163.04 Den(Calc)= 3.18
Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.931(1), 3.153(0.94), 1.647(0.35),
Help on Forms: Forms:

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Forms: ( 1 0 0)

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Speziale S , Duffy T S , Physics and Chemistry of Minerals , 29 (2002) p.465-472, Single-crystal elastic constants of fluorite (CaF2) to 9.3 GPa, Sample: P = 0 GPa

View Additional jPOWD Structure files for Fluorite
[1] [10] [11] [12] [2] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Fluorite

Help on Cleavage: Cleavage: {111} Perfect, {111} Perfect, {111} Perfect
Help on Color: Color: White, Yellow, Green, Red, Blue.
Help on Density: Density: 3.01 - 3.25, Average = 3.13
Help on Diaphaneity: Diaphaneity: Transparent to subtranslucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Crystalline - Coarse - Occurs as well-formed coarse sized crystals.
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luminescence: Luminescence: Fluorescent, Short UV=blue, Long UV=blue.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Fluorite

Help on Optical Data: Optical Data: Isotropic, n=1.433.
 

Calculated Properties of Fluorite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.10 gm/cc
note: Specific Gravity of Fluorite =3.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0006929931
Boson Index = 0.9993070069
Help on Photoelectric: Photoelectric: PEFluorite = 6.67 barns/electron
U=PEFluorite x rElectron Density= 20.66 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Fluorite is Not Radioactive
 

Fluorite Classification
Help on Dana Class: Dana Class: 09.02.01.01 (09)Anhydrous and Hydrated Halides
  (09.02)where A (X)2
  (09.02.01)Fluorite Group
 
09.02.01.01 Fluorite CaF2 F m3m 4/m 3 2/m
 
09.02.01.02 Frankdicksonite BaF2 F m3m 4/m 3 2/m
 
09.02.01.03 Tveitite-(Y) Ca1-xYxF2x,x~0.3 Unk Mono
 
09.02.01.04 IMA2009-014 SrF2 F m3m 4/m 3 2/m
Help on Strunz Class: Strunz Class: 03.AB.25 03 - HALIDES
  03.A - Simple Halides, Without H2O
  03.AB -M:X = 1:2
 
03.AB.25 Fluorite CaF2 F m3m 4/m 3 2/m
 
03.AB.25 Frankdicksonite BaF2 F m3m 4/m 3 2/m
 

Other Fluorite Information
Help on References: References: NAME( Emsley91) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Mason68)
Help on See Also: See Also: Links to other databases for Fluorite :
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 - Earthprints Interactive Photo Gallary
9 - Ecole des Mines de Paris
10 - Franklin Minerals(Dunn)
11 - Franklin Minerals(Palache)
12 - Glendale Community College
13 - Google Images
14 - Google Scholar
15 - Handbook of Mineralogy (MinSocAm)
16 - Handbook of Mineralogy (UofA)
17 - HyperPhysics
18 - Illinois State Geological Survey
19 - MinDAT
20 - MinMax(Deutsch)
21 - MinMax(English)
22 - Mineral and Gemstone Kingdom
23 - Mineral of the Month
24 - Mineralienatlas (Deutsch)
25 - Philatelic Mineralogy
26 - QUT Mineral Atlas
27 - Ruff.Info
28 - Scandinavian mineral gallery
29 - Thin Sections - Brock University
30 - Tradeshop.com - The Rainbow of Gems
31 - WWW-MINCRYST
32 - YupRocks
33 - theimage

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

Fluorite

CaF2
Dana No: 09.02.01.01 Strunz No: 03.AB.25
Locality:

 

Notes: