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 = 951.81 gm

Potassium 2.55 % K 3.07 % K₂O

Sodium 1.43 % Na 1.92 % Na₂O

Calcium 7.24 % Ca 10.13 % CaO

Magnesium 1.43 % Mg 2.37 % MgO

Titanium 1.06 % Ti 1.76 % TiO₂

Manganese 1.50 % Mn 1.94 % MnO

Aluminum 9.86 % Al 18.64 % Al₂O₃

Zinc 0.14 % Zn 0.17 % ZnO

Iron 18.72 % Fe 16.00 % FeO / 8.98 % Fe₂O₃

Silicon 15.46 % Si 33.08 % SiO₂

Hydrogen 0.18 % H 1.61 % H₂O

Oxygen 39.84 % O

Fluorine 0.60 % F 0.60 % F

- % F -0.25 % -O=F₂

______ ______

100.00 % 100.02 % = TOTAL OXIDE

Empirical Formula:

Na_0.31K_0.62Ca_1.72Na_0.28Mg_0.56Fe²⁺_2.12Mn²⁺_0.26Zn_0.02Al_0.72Fe³⁺_1.07Ti_0.21Si_5.24Al_2.76 O₂₂(OH)_1.7F_0.3

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

Potassicferrisadanagaite Image

Images:

Potassicferrisadanagaite

Comments: Small crystalline fragments of potassicferrisadanagaite.
Location: Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia. Scale: FOV 0.08 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

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)= 3.39

Crystal System:

Monoclinic - Prismatic H-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

Diaphaneity:

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

Gladstone-Dale:

CI meas= 0.063 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2076,KPDmeas= 0.2046,KC= 0.2182
Ncalc = 1.74 - 1.75

Optical Data:

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

Calculated Properties of Potassicferrisadanagaite

Electron Density:

Bulk Density (Electron Density)=3.32 gm/cc
note: Specific Gravity of Potassicferrisadanagaite =3.39 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Potassicferrisadanagaite}= 8.28 barns/electron
U=PE_{Potassicferrisadanagaite} x r_electron= 27.51 barns/cc.

Radioactivity:

GRapi = 36.05 (Gamma Ray American Petroleum Institute Units)
Concentration of Potassicferrisadanagaite per GRapi unit = 2.77 (%)

Estimated Radioactivity from Potassicferrisadanagaite - barely detectable

Potassicferrisadanagaite Classification

Dana Class:

66.01.03a.17b (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

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 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 - 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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Potassicferrisadanagaite

(K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2
Dana No: 66.01.03a.17b Strunz No: 09.DE.15
Locality:

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