Potassic-chloropargasite  Mineral Data

Potassic-chloropargasite Mineral Data

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General Potassic-chloropargasite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)Ca2(Mg,Fe2+)4Al(Si6Al2O22)(Cl,OH)2
Help on Composition: Composition: Molecular Weight = 930.36 gm
   Potassium   2.52 %  K     3.04 % K2O
   Sodium      0.99 %  Na    1.33 % Na2O
   Calcium     8.18 %  Ca   11.45 % CaO
   Magnesium   5.49 %  Mg    9.10 % MgO
   Aluminum    7.83 %  Al   14.80 % Al2O3
   Iron       13.21 %  Fe   16.99 % FeO
   Silicon    18.11 %  Si   38.75 % SiO2
   Hydrogen    0.10 %  H     0.87 % H2O
   Chlorine    4.19 %  Cl    4.19 % Cl
                -   %   Cl   -0.95 % -O=Cl2   
   Oxygen     39.38 %  O
             ______        ______ 
             100.00 %       99.57 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.6Na0.4Ca1.9Mg2.1Fe2+2.2Si6Al2.7O22Cl1.1(OH)0.9
Help on Environment: Environment: Granulite facies metamorphic complex. (amphibole group)
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Elgoras Mountian, Sal'nye Tundry massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as K-rich chloroparagasite as per IMA-approved amphibole nomenclature.
Help on Synonym: Synonym: Chloroparagasite - K bearing
  IMA2001-036
  IMA2001-044??
 

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Potassic-chloropargasite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5429:1:0.2957
Help on Cell Dimensions: Cell Dimensions: a = 9.843, b = 18.13, c = 5.362, Z = 2; beta = 105.5° V = 922.07 Den(Calc)= 3.35
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.714(1)(151), 8.4(0.8)(110), 2.562(0.7)(241),1.444(0.3)(533), 2.951(0.3)(151,221), 3.116(0.3)(310),
 

Physical Properties of Potassic-chloropargasite

Help on Cleavage: Cleavage: {110} Perfect, {110} Perfect
Help on Color: Color: Black.
Help on Density: Density: 3.29
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: olive green
 

Optical Properties of Potassic-chloropargasite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.01 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.028 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2042,KPDmeas= 0.2079,KC= 0.2101
Ncalc = 1.69 - 1.7
Help on Optical Data: Optical Data: Biaxial (-), a=1.675, b=1.687, g=1.69, bire=0.0150
 

Calculated Properties of Potassic-chloropargasite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.24 gm/cc
note: Specific Gravity of Potassic-chloropargasite =3.29 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPotassic-chloropargasite = 6.51 barns/electron
U=PEPotassic-chloropargasite x relectron= 21.08 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 35.83 (Gamma Ray American Petroleum Institute Units)
Concentration of Potassic-chloropargasite per GRapi unit = 2.79 (%)

Estimated Radioactivity from Potassic-chloropargasite - barely detectable

 

Potassic-chloropargasite Classification

Help on  Dana Class: Dana Class: 66.01.03a.13b (66)Inosilicate Double-Width Unbranched Chains, W=2
  (66.01)with P=2 amphibole configuration
  (66.01.03a)Group 2, the calcic amphiboles
 
66.01.03a.01 Tremolite []Ca2Mg5Si8O22(OH)2 C 2/m 2/m
 
66.01.03a.02 Actinolite Ca2(Mg,Fe)5Si8O22(OH)2 C 2/m 2/m
 
66.01.03a.03 Ferro-actinolite []Ca2Fe5Si8O22(OH)2 C 2/m 2/m
 
66.01.03a.04 Magnesiohornblende Ca2[Mg4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m
 
66.01.03a.05 Ferrohornblende []Ca2[Fe4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m
 
66.01.03a.06 Tschermakite []Ca2(Mg3AlFe)Si6Al2O22(OH)2 C 2/m 2/m
 
66.01.03a.06a Aluminoferrotschermakite! []Ca2(Fe2)3Al2(Si6Al2)O22(OH)2 C 2/m 2/m
 
66.01.03a.06b Ferri-ferrotschermakite! []Ca2(Fe2)3(Fe3)2(Si6Al2)O22(OH)2 C 2/m 2/m
 
66.01.03a.06c Ferrotschermakite! []Ca2(Fe3AlFe)Si6Al2O22(OH) C 2/m 2/m
 
66.01.03a.07 Ferro-aluminotschermakite* Ca2Fe3Al2(Si7Al)O22(OH)2 C 2/m 2/m
 
66.01.03a.08 Ferritschermakite Ca2(Fe,Mg)3Al2(Si7Al)O22(OH)2 C 2/m 2/m
 
66.01.03a.09 Ferroferritschermakite* Ca2(Fe,Mg)3Fe2(Si7Al)O22(OH)2 C 2/m 2/m
 
66.01.03a.10 Edenite NaCa2Mg5Si7AlO22(OH)2 C 2/m 2/m
 
66.01.03a.10a Fluoro-edenite! NaCa2Mg5Si7AlO22(F,OH)2 C 2/m 2/m
 
66.01.03a.11 Ferro-edenite NaCa2Fe5Si7AlO22(OH)2 C 2/m 2/m
 
66.01.03a.12 Pargasite NaCa2(Mg,Fe)4Al(Si6Al2)O22(OH)2 C 2/m 2/m
 
66.01.03a.12a Potassicpargasite! (K,Na)Ca2(Mg,Fe)5Si8O22(OH,F)2 C 2/m 2/m
 
66.01.03a.13 Ferropargasite NaCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m
 
66.01.03a.13a Ferrochloropargasite! NaCa2(Fe4Al)Si6Al2O22Cl2 C 2/m 2/m
 
66.01.03a.13b Potassic-chloropargasite! (K,Na)Ca2(Mg,Fe2)4Al(Si6Al2O22)(Cl,OH)2 C 2/m 2/m
 
66.01.03a.13c Potassic-ferropargasite KCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m
 
66.01.03a.14 Magnesiohastingsite NaCa2(Mg4Fe)Si6Al2O22(OH)2 C 2/m 2/m
 
66.01.03a.15 Hastingsite NaCa2(Fe4Fe)Si6Al2O22(OH)2 C 2/m 2/m
 
66.01.03a.15a Potassic-chlorohastingsite! (K,Na)Ca2(Fe,Mg)4Fe[Si6Al2O22](Cl,OH)2 C 2/m 2/m
 
66.01.03a.15b Fluoro-magnesiohastingsite! (Na,K)Ca2(Mg,Fe,Ti)5(Si,Al)8O22F2 C 2/m 2/m
 
66.01.03a.15c Potassic-magnesiohastingsite! (K,Na)Ca2(Mg,Fe,Fe,Al)5(Si,Al)8O22(OH,Cl)2 C 2/m 2/m
 
66.01.03a.15d Chloro-potassichastingsite! KCa2(Fe3MgFe)(Si6Al2)S8O22Cl2 C 2/m 2/m
 
66.01.03a.15e Fluoro-potassichastingsite! KCa2(Fe2,Mg2,Fe)S5(Si6Al2)8O22F2 C 2/m 2/m
 
66.01.03a.16 Potassic-magnesiosadanagaite (K,Na)Ca2(Mg,Fe,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono
 
66.01.03a.17 Sadanagaite (K,Na)Ca2(Fe,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono
 
66.01.03a.17a Potassicsadanagaite! (K,Na)Ca2[Fe3(Al,Fe)2][Si5Al3O22](OH)2 C 2,Cm,C 2/m Mono
 
66.01.03a.17b Potassicferrisadanagaite! (K,Na)Ca2(Fe,Mg)2(Fe,Al)2[Si5Al3O22](OH,F,O)2 C 2/m 2/m
 
66.01.03a.17c Magnesiosadanagaite! NaCa2[Mg3(Al,Fe)2]Si5AlO22(OH)2 C 2/m 2/m
 
66.01.03a.18 Kaersutite NaCa2(Mg4Ti)Si6Al2O23(OH)2 C 2/m 2/m
 
66.01.03a.19 Ferrokaersutite NaCa2(Fe4Ti)Si6Al2O22(OH)2 C 2/m 2/m
 
66.01.03a.20 Fluorocannilloite! CaCa2(Mg4Al)Si5Al3O22F2 C 2/m 2/m
 
66.01.03a.20a Cannilloite! CaCa2Mg4Al(Si5Al3)O22(OH)2 C 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.DE.15 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family
 
09.DE.15 Potassicferrisadanagaite! (K,Na)Ca2(Fe,Mg)2(Fe,Al)2[Si5Al3O22](OH,F,O)2 C 2/m 2/m
 
09.DE.15 Ferrochloropargasite! NaCa2(Fe4Al)Si6Al2O22Cl2 C 2/m 2/m
 
09.DE.15 Potassic-chlorohastingsite! (K,Na)Ca2(Fe,Mg)4Fe[Si6Al2O22](Cl,OH)2 C 2/m 2/m
 
09.DE.15 Ferriwhittakerite! Na(NaLi)(Mg2Fe2Li)Si8O22(OH)2 C 2/m 2/m
 
09.DE.15 Ferri-ottoliniite! [](Na,Li)(Mg3Fe2)Si8O22(OH)2 C 2/m 2/m
 
09.DE.15 Potassic-chloropargasite! (K,Na)Ca2(Mg,Fe2)4Al(Si6Al2O22)(Cl,OH)2 C 2/m 2/m
 

Other Potassic-chloropargasite Information

Help on References: References: NAME( AmMin, v 88, p 933) PHYS. PROP.(AmMin, v 88, p 933) OPTIC PROP.(AmMin, v 88, p 933)
Help on See Also: See Also: Links to other databases for Potassic-chloropargasite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Potassic-chloropargasite Specimen Label here :

Potassic-chloropargasite

(K,Na)Ca2(Mg,Fe2+)4Al(Si6Al2O22)(Cl,OH)2
Dana No: 66.01.03a.13b Strunz No: 09.DE.15
Locality:

 

Notes: