Potassicferrisadanagaite Mineral Data

Potassicferrisadanagaite Mineral Data

General Potassicferrisadanagaite Information

Chemical Formula:

(K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2

Composition:

Molecular Weight = 954.53 gm

Potassium 3.07 % K 3.70 % K₂O

Sodium 1.20 % Na 1.62 % Na₂O

Calcium 7.35 % Ca 10.28 % CaO

Magnesium 1.91 % Mg 3.17 % MgO

Aluminum 9.89 % Al 18.69 % Al₂O₃

Iron 20.48 % Fe 16.94 % FeO / 10.46 % Fe₂O₃

Silicon 15.59 % Si 33.36 % SiO₂

Hydrogen 0.15 % H 1.32 % H₂O

Oxygen 39.56 % O

Fluorine 0.80 % F 0.80 % F

- % F -0.34 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

K_0.75Na_0.5Ca_1.75Fe²⁺_2.25Mg_0.75Fe³⁺_1.25Si_5.3Al_3.5O₂₂(OH)_1.4F_0.4O_0.2

Environment:

Rock-forming constituent of plagiosyenite, alkaline syenite, and rarely in nepheline syenite exposed along the eastern contact of the Urals.

IMA Status:

Approved IMA 1997 (Dana # Added)

Locality:

Ilmen Mountains, Miaskite Massif, South Urals. Link to MinDat.org Location Data.

Name Origin:

Named for the composition and relationship to sadanagaite.

Synonym:

Ferrisadanagaite-K

IMA1997-035

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Potassicferrisadanagaite Crystallography

Axial Ratios:

a:b:c =0.5497:1:0.2975

Cell Dimensions:

a = 9.94, b = 18.08, c = 5.38, Z = 2; beta = 105.5° V = 931.70 Den(Calc)= 3.40

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.145(1)(310), 8.44(0.9)(110), 2.722(0.52)(151),3.285(0.3)(240), 2.606(0.27)(061), 2.823(0.26)(330), 2.579(0.25)(202), 3.405(0.25)(131), 2.356(0.24)(421

Physical Properties of Potassicferrisadanagaite

Cleavage:

[110] Good

Color:

Black.

Density:

3.44

Diaphaniety:

Transparent to subtranslucent

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Habit:

Intergrown Crystals - Occurs as intergrown crystalline aggregates

Hardness:

5.5-6 - Knife Blade-Orthoclase

Luster:

Vitreous (Glassy)

Streak:

grayish green

Optical Properties of Potassicferrisadanagaite

Optical Data:

Biaxial (-), a=1.696, b=1.7, g=1.715, bire=0.0190

Calculated Properties of Potassicferrisadanagaite

Electron Density:

r_electron=3.34 gm/cc
note: r_{Potassicferrisadanagaite}=3.40 gm/cc.

Fermion Index

Fermion Index = 0.01382
Boson Index = 0.98618

Photoelectric:

PE_{Potassicferrisadanagaite}= 8.26 barns/electron
U=PE_{Potassicferrisadanagaite} x r_electron= 27.54 barns/cc.

Radioactivity:

GRapi = 43.50 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Potassicferrisadanagaite - barely detectable

Potassicferrisadanagaite Classification

Dana Class:

66.1.3a.17b (66)Inosilicate Double-Width Unbranched Chains, W=2

(66.1)Dana Type

(66.1.3a)Group 2, the calcic amphiboles

66.1.3a.1 Tremolite []Ca2Mg5Si8O22(OH)2 C 2/m 2/m

66.1.3a.2 Actinolite Ca2(Mg,Fe)5Si8O22(OH)2 C 2/m 2/m

66.1.3a.3 Ferro-actinolite []Ca2Fe5Si8O22(OH)2 C 2/m 2/m

66.1.3a.4 Magnesiohornblende Ca2[Mg4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

66.1.3a.5 Ferrohornblende []Ca2[Fe4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

66.1.3a.6 Tschermakite []Ca2(Mg3AlFe)Si6Al2O22(OH)2 C 2/m 2/m

66.1.3a.6a Aluminoferrotschermakite! []Ca2(Fe2)3Al2(Si6Al2)O22(OH)2 C 2/m 2/m

66.1.3a.6b Ferri-ferrotschermakite! []Ca2(Fe2)3(Fe3)2(Si6Al2)O22(OH)2 C 2/m 2/m

66.1.3a.6c Ferrotschermakite! []Ca2(Fe3AlFe)Si6Al2O22(OH) C 2/m 2/m

66.1.3a.7 Ferro-aluminotschermakite* Ca2Fe3Al2(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3a.8 Ferritschermakite Ca2(Fe,Mg)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3a.9 Ferroferritschermakite* Ca2(Fe,Mg)3Fe2(Si7Al)O22(OH)2 C 2/m 2/m

66.1.3a.10 Edenite NaCa2Mg5Si7AlO22(OH)2 C 2/m 2/m

66.1.3a.10a Fluoro-edenite! NaCa2Mg5Si7AlO22(F,OH)2 C 2/m 2/m

66.1.3a.11 Ferro-edenite NaCa2Fe5Si7AlO22(OH)2 C 2/m 2/m

66.1.3a.12 Pargasite NaCa2(Mg,Fe)4Al(Si6Al2)O22(OH)2 C 2/m 2/m

66.1.3a.12a Potassicpargasite! (K,Na)Ca2(Mg,Fe)5Si8O22(OH,F)2 C 2/m 2/m

66.1.3a.13 Ferropargasite NaCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m

66.1.3a.13a Ferrochloropargasite! NaCa2(Fe4Al)Si6Al2O22Cl2 C 2/m 2/m

66.1.3a.13b Potassic-chloropargasite! (K,Na)Ca2(Mg,Fe2)4Al(Si6Al2O22)(Cl,OH)2 C 2/m 2/m

66.1.3a.14 Magnesiohastingsite NaCa2(Mg4Fe)Si6Al2O22(OH)2 C 2/m 2/m

66.1.3a.15 Hastingsite NaCa2(Fe4Fe)Si6Al2O22(OH)2 C 2/m 2/m

66.1.3a.15a Potassic-chlorohastingsite! (K,Na)Ca2(Fe,Mg)4Fe[Si6Al2O22](Cl,OH)2 C 2/m 2/m

66.1.3a.16 Potassic-magnesiosadanagaite (K,Na)Ca2(Mg,Fe,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

66.1.3a.17 Sadanagaite (K,Na)Ca2(Fe,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

66.1.3a.17a Potassicsadanagaite! (K,Na)Ca2[Fe3(Al,Fe)2][Si5Al3O22](OH)2 C 2,Cm,C 2/m Mono

66.1.3a.17b Potassicferrisadanagaite ! (K,Na)Ca2(Fe,Mg)2(Fe,Al)2[Si5Al3O22](OH,F,O)2 C 2/m 2/m

66.1.3a.17c Magnesiosadanagaite! NaCa2[Mg3(Al,Fe)2]Si5AlO22(OH)2 C 2/m 2/m

66.1.3a.18 Kaersutite NaCa2(Mg4Ti)Si6Al2O23(OH)2 C 2/m 2/m

66.1.3a.19 Ferrokaersutite NaCa2(Fe4Ti)Si6Al2O22(OH)2 C 2/m 2/m

66.1.3a.20 Fluorocannilloite! CaCa2(Mg4Al)Si5Al3O22F2 C 2/m 2/m

66.1.3a.20a Cannilloite! CaCa2Mg4Al(Si5Al3)O22(OH)2 C 2/m 2/m

66.1.3a.21 IMA2004-034! ([],Na)(Na,Ca)2(Mg,Fe)4Fe[Si8O22](OH)2 C 2/m 2/m

Strunz Class:

VIII/F.10-220 VIII - Silicates

VIII/F - Inosilicates (chain and band) double chains [Si4O11]6- , Ca2-Amphiboles

VIII/F.10 - Amphibole group, Tremolite - Sadanagaite series

VIII/F.10-10 Tremolite []Ca2Mg5Si8O22(OH)2 C 2/m 2/m

VIII/F.10-20 Actinolite Ca2(Mg,Fe)5Si8O22(OH)2 C 2/m 2/m

VIII/F.10-30 Ferro-actinolite []Ca2Fe5Si8O22(OH)2 C 2/m 2/m

VIII/F.10-40 Magnesiohornblende Ca2[Mg4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

VIII/F.10-50 Ferrohornblende []Ca2[Fe4(Al,Fe)]Si7AlO22(OH)2 C 2/m 2/m

VIII/F.10-60 Tschermakite []Ca2(Mg3AlFe)Si6Al2O22(OH)2 C 2/m 2/m

VIII/F.10-65 Aluminoferrotschermakite! []Ca2(Fe2)3Al2(Si6Al2)O22(OH)2 C 2/m 2/m

VIII/F.10-70 Ferrotschermakite! []Ca2(Fe3AlFe)Si6Al2O22(OH) C 2/m 2/m

VIII/F.10-75 Ferro-aluminotschermakite* Ca2Fe3Al2(Si7Al)O22(OH)2 C 2/m 2/m

VIII/F.10-77 Ferritschermakite Ca2(Fe,Mg)3Al2(Si7Al)O22(OH)2 C 2/m 2/m

VIII/F.10-80* Ferri-ferrotschermakite! []Ca2(Fe2)3(Fe3)2(Si6Al2)O22(OH)2 C 2/m 2/m

VIII/F.10-80 Ferroferritschermakite* Ca2(Fe,Mg)3Fe2(Si7Al)O22(OH)2 C 2/m 2/m

VIII/F.10-90 Edenite NaCa2Mg5Si7AlO22(OH)2 C 2/m 2/m

VIII/F.10-92 Fluoro-edenite! NaCa2Mg5Si7AlO22(F,OH)2 C 2/m 2/m

VIII/F.10-100 Ferro-edenite NaCa2Fe5Si7AlO22(OH)2 C 2/m 2/m

VIII/F.10-104 Cannilloite! CaCa2Mg4Al(Si5Al3)O22(OH)2 C 2/m 2/m

VIII/F.10-105 Fluorocannilloite! CaCa2(Mg4Al)Si5Al3O22F2 C 2/m 2/m

VIII/F.10-110 Pargasite NaCa2(Mg,Fe)4Al(Si6Al2)O22(OH)2 C 2/m 2/m

VIII/F.10-120 Ferropargasite NaCa2(Fe4Al)Si6Al2O22(OH)2 C 2/m 2/m

VIII/F.10-125 Potassicpargasite! (K,Na)Ca2(Mg,Fe)5Si8O22(OH,F)2 C 2/m 2/m

VIII/F.10-130 Magnesiohastingsite NaCa2(Mg4Fe)Si6Al2O22(OH)2 C 2/m 2/m

VIII/F.10-140 Hastingsite NaCa2(Fe4Fe)Si6Al2O22(OH)2 C 2/m 2/m

VIII/F.10-150 Kaersutite NaCa2(Mg4Ti)Si6Al2O23(OH)2 C 2/m 2/m

VIII/F.10-160 Ferrokaersutite NaCa2(Fe4Ti)Si6Al2O22(OH)2 C 2/m 2/m

VIII/F.10-163 Potassicsadanagaite! (K,Na)Ca2[Fe3(Al,Fe)2][Si5Al3O22](OH)2 C 2,Cm,C 2/m Mono

VIII/F.10-165 Potassic-magnesiosadanagaite (K,Na)Ca2(Mg,Fe,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

VIII/F.10-170 Magnesiosadanagaite! NaCa2[Mg3(Al,Fe)2]Si5AlO22(OH)2 C 2/m 2/m

VIII/F.10-180 Sadanagaite (K,Na)Ca2(Fe,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 C 2,Cm,C 2/m Mono

VIII/F.10-220 Potassicferrisadanagaite (K,Na)Ca2(Fe,Mg)2(Fe,Al)2[Si5Al3O22](OH,F,O)2 C 2/m 2/m

Other Potassicferrisadanagaite Information

References:

NAME( AmMin, vol 85, p 1563) PHYS. PROP.(AmMin, vol 85, p 1563) OPTIC PROP.(AmMin, vol 85, p 1563)

See Also:

Links to other databases for Potassicferrisadanagaite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

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Potassicferrisadanagaite

(K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2
Dana No: 66.1.3a.17b Strunz No: VIII/F.10-220
Locality:

Notes: