Hedyphane Mineral Data + Say HEDYPHANE


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General Hedyphane Information
Help on Chemical Formula: Chemical Formula: Ca2Pb3(AsO4)3Cl
Help on Composition: Composition: Molecular Weight = 1,153.97 gm
   Calcium    6.95 %  Ca    9.72 % CaO
   Arsenic   19.48 %  As   29.88 % As2O5
   Lead      53.87 %  Pb   58.03 % PbO
   Chlorine   3.07 %  Cl    3.07 % Cl
               -   %  Cl   -0.69 % -O=Cl2
   Oxygen    16.64 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb3Ca2(AsO4)3Cl
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1830
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek hedy - "beautifully bright," in allusion to the high luster.
Help on Synonym: Synonym: ICSD 40092
  PDF 36-396
 

Hedyphane Image

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Hedyphane

Comments: Phlogopite with yellowish orange hedyphane.
Location: Langban, Varmland, Sweden. Scale: 4.4 x 2.2 cm.
© John Veevaert

Hedyphane Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.70857
Help on Cell Dimensions: Cell Dimensions: a = 10.14, c = 7.185, Z = 2; V = 639.78 Den(Calc)= 5.99
Help on Crystal System: Crystal System: Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.03(1), 2.96(0.6), 2.92(0.5),
Help on Forms: Forms:

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Forms: [ 2 0 1] [ 1 1 1] [ 1 1 0] [ 0 0 1]

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Rouse R C , Dunn P J , Peacor D R , American Mineralogist , 69 (1984) p.920-927, Hedyphane from Franklin, New Jersey and Langban, Sweden: Cation ordering in an, arsenate apatite, sample H90417 from Langban, Sweden

 

Physical Properties of Hedyphane

Help on Cleavage: Cleavage: [1011] Imperfect
Help on Color: Color: Blue, Gray white, Yellowish white, White.
Help on Density: Density: 5.8 - 5.82, Average = 5.81
Help on Diaphaniety: Diaphaniety: Translucent
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: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luminescence: Luminescence: Weakly Fluorescent, Short UV=light yellow, Long UV=light yellow.
Help on Luster: Luster: Adamantine - Resinous
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Hedyphane

Help on Dichroism (e): Dichroism (e): none.
Help on Dichroism (w): Dichroism (w): none.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.091 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.058 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1647,KPDmeas= 0.1698,KC= 0.1557
Help on Optical Data: Optical Data: Uniaxial (+/-), a=1.948-2.01, b=1.958-2.03, bire=0.0100-0.0200.
 

Calculated Properties of Hedyphane

Help on Electron Density: Electron Density:

relectron=5.17 gm/cc
note: rHedyphane =5.99 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.11921
Boson Index = 0.88079
Help on Photoelectric: Photoelectric:

PEHedyphane = 973.86 barns/electron
U=PEHedyphane x relectron=5,034.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hedyphane is Not Radioactive
 

Hedyphane Classification
Help on Dana Class: Dana Class: 41.8.2.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.8)where (A)5 (XO4)3 Zq
  (41.8.2)Dana Group
 
41.8.2.1 Hedyphane Ca2Pb3(AsO4)3Cl P 63/m 6/m
Help on Strunz Class: Strunz Class: VII/B.39-140 VII - Phosphates, Arsenates and Vanadates
  VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb
  VII/B.39 - Apatite - Pyromorphite group
 
VII/B.39-10 Fluorapatite Ca5(PO4)3F P 63/m 6/m
 
VII/B.39-20 Chlorapatite Ca5(PO4)3Cl P 63/m 6/m
 
VII/B.39-30 Hydroxylapatite Ca5(PO4)3(OH) P 63/m 6/m
 
VII/B.39-40 Carbonate-hydroxylapatite Ca5(PO4,CO3)3(OH) P 63/m 6/m
 
VII/B.39-50 Carbonate-fluorapatite Ca5(PO4,CO3)3F P 63/m 6/m
 
VII/B.39-60 Svabite Ca5(AsO4)3F P 63/m 6/m
 
VII/B.39-70 Turneaureite Ca5[(As,P)O4]3Cl P 63/m 6/m
 
VII/B.39-80 Johnbaumite Ca5(AsO4)3(OH) P 63/m,P 63 Hex
 
VII/B.39-90 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 63/m 6/m
 
VII/B.39-95 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 63 6
 
VII/B.39-100 Strontium-apatite (Sr,Ca)5(PO4)3(F,OH) P 63/m 6/m
 
VII/B.39-110 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3
 
VII/B.39-115 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3
 
VII/B.39-117 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3
 
VII/B.39-120 Alforsite Ba5(PO4)3Cl P 63/m 6/m
 
VII/B.39-130 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 63/m,P 63 Hex
 
VII/B.39-140 Hedyphane Ca2Pb3(AsO4)3Cl P 63/m 6/m
 
VII/B.39-150 Pyromorphite Pb5(PO4)3Cl P 63/m 6/m
 
VII/B.39-160 Mimetite Pb5(AsO4)3Cl P 63/m 6/m
 
VII/B.39-165 Clinomimetite Pb5(AsO4)3Cl P 21/b 2/m
 
VII/B.39-170 Vanadinite Pb5(VO4)3Cl P 63/m 6/m
 

Other Hedyphane Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Hedyphane :
1 -Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 -Athena 4 - Crocoite.com Mineral Locations 5 - EUROmin Project 6 - Franklin Minerals(Dunn) 7 - Franklin Minerals(Palache) 8 -Google Images 9 -Google Scholar 10 -Handbook of Mineralogy (UofA) 11 -MinDAT 12 -MinMax(Deutsch) 13 -MinMax(English) 14 - Mineral and Gemstone Kingdom 15 -Mineralienatlas (Deutsch) 16 -QUT Mineral Atlas 17 - WWW-MINCRYST 18 -École des Mines de Paris

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Hedyphane

Ca2Pb3(AsO4)3Cl
Dana No: 41.8.2.1 Strunz No: VII/B.39-140
Locality:

 

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