Golyshevite Mineral Data

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General Golyshevite Information

Chemical Formula:

(Na,Ca)10Ca9(Fe+++,Fe++)2Zr3NbSi25O72(CO3)(OH)3•H2O

Composition:

Molecular Weight = 2,925.34 gm

Potassium 0.40 % K 0.48 % K₂O

Sodium 7.09 % Na 9.56 % Na₂O

Calcium 8.70 % Ca 12.17 % CaO

Lanthanum 0.14 % La 0.17 % La₂O₃

Cerium 0.24 % Ce 0.28 % Ce₂O₃

Zirconium 9.26 % Zr 12.51 % ZrO₂

Manganese 0.54 % Mn 0.70 % MnO

Niobium 1.91 % Nb 2.73 % Nb₂O₅

Aluminum 0.07 % Al 0.14 % Al₂O₃

Iron 4.18 % Fe 1.23 % FeO / 4.61 % Fe₂O₃

Silicon 23.68 % Si 50.65 % SiO₂

Hydrogen 0.15 % H 1.35 % H₂O

Carbon 0.43 % C 1.58 % CO₂

Chlorine 0.25 % Cl 0.25 % Cl

- % Cl -0.06 % -O=Cl₂

Oxygen 42.95 % O

______ ______

100.00 % 98.36 % = TOTAL OXIDE

Empirical Formula:

Na_9.02Ca_0.43K_0.3Ca_5.92Ce_0.05La_0.03Fe³⁺_1.69Fe²⁺_0.5Mn²⁺_0.29Zr_2.97Si_0.66Nb_0.6Al_0.08 Si₂₄O₇₂(OH)_2.37(CO₃)_1.05Cl_0.21·1.01(H₂O)

Environment:

From calcium-rich agpaitic pegmatites. CO3-dominant analog of feklichevite.

IMA Status:

Approved IMA 2004 (Dana # Added)

Locality:

Northern face of the Mica quarry in pegmatite no. 10 of the Kovdor massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Vladimir Mikhailovich Golyshev (1943-2000), crystallographer from the Mordvinian State University, Saransk, Russia.

Synonym:

IMA2004-039a

Golyshevite Image

Images:

Golyshevite

Comments: Light yellowish-brown zircon-like colored golyshevite crystal.
Location: Kovdor Phlogopite mine (Mica Mine; Slyuda Mine; Kovdorslyuda Shaft), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 9x7 mm.
© Pavel M. Kartashov

Golyshevite Crystallography

Axial Ratios:

a:c = 1:2.10694

Cell Dimensions:

a = 14.231, c = 29.984, Z = 3; V = 5,258.85 Den(Calc)= 2.77

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m

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

By Intensity(I/I_o): 2.848(1)(404 ), 2.971(0.78)(315,135 4.3(0.53)(205 ),2.055(0.51)(3.2.10,2.3.103.2(0.46)(208 )2.597(0.43)(143

Crystal Structure:

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Rozenberg K A , Rastsvetaeva R K , Chukanov N V , Verin I A , Crystallography Reports , 50 (2005) p.539-543, Crystal structure of golyshevite, Locality: Kovdor massif, Kola Peninsula, Russia

Physical Properties of Golyshevite

Cleavage:

{001} Imperfect

Color:

Dark reddish brown.

Density:

2.89

Diaphaneity:

Transparent

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Hardness:

5.5 - Knife Blade

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Golyshevite

Gladstone-Dale:

CI meas= -0.019 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.063 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2249,KPDmeas= 0.2156,KC= 0.2116
Ncalc = 1.59 - 1.61

Optical Data:

Uniaxial (-), e=1.618, w=1.628, bire=0.0100.

Calculated Properties of Golyshevite

Electron Density:

Bulk Density (Electron Density)=2.83 gm/cc
note: Specific Gravity of Golyshevite =2.89 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Golyshevite= 20.23 barns/electron
U=PE_Golyshevite x r_electron= 57.27 barns/cc.

Radioactivity:

GRapi = 404.78 (Gamma Ray American Petroleum Institute Units)
Concentration of Golyshevite per GRapi unit = 0.25 (%)

Estimated Radioactivity from Golyshevite - barely detectable

Golyshevite Classification

Dana Class:

64.01.01.19 (64)Cyclosilicates

(64.01)Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types

(64.01.01)Eudialyte Group

64.01.01.01 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m

64.01.01.02 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl•2(H2O) R 3m 3 2/m

64.01.01.03 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2•2(H2O) R 3m 3m

64.01.01.04 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m

64.01.01.05 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m

64.01.01.06 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3

64.01.01.07 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m

64.01.01.08 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl•2-3H2O R 3m 3m

64.01.01.09 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m

64.01.01.10 Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m

64.01.01.11 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m

64.01.01.12 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m

64.01.01.13 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m

64.01.01.14 Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m

64.01.01.15 Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m

64.01.01.16 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m

64.01.01.17 Georgbarsanovite! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2•H2O R 3m 3m

64.01.01.18 Johnsenite-(Ce)! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 R 3m 3m

64.01.01.19 Golyshevite! (Na,Ca)10Ca9(Fe,Fe)2Zr3NbSi25O72(CO3)(OH)3•H2O R 3m 3m

64.01.01.20 Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m

64.01.01.21 Dualite! Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 R 3m 3m

64.01.01.22 Voronkovite! Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl•H2O R 3 3

Strunz Class:

09.CO.10 09 - SILICATES (Germanates)

09.C - Cyclosilicates

09.CO -[Si9O27]18- 9-membered rings

09.CO.10 Alluaivite Na19(Ca,Mn)6(Ti,Nb)3(Si3O9)2(Si10O28)2Cl•2(H2O) R 3m 3 2/m

09.CO.10 Eudialyte Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2(?) R 3m 3 2/m

09.CO.10 Kentbrooksite! (Na,REE)15(Ca,REE)6MnZr3NbSi25O74F2•2(H2O) R 3m 3m

09.CO.10 Labyrinthite! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 R 3m 3m

09.CO.10 Carbokentbrooksite! (Na,[])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m

09.CO.10 Zirsilite-(Ce)! (Na,[])12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O R 3m 3m

09.CO.10 Mogovidite! Na9(Ca,Na)6Ca6Fe2Zr3[]Si25O72(CO3)(OH)4 R 3m 3m

09.CO.10 Voronkovite! Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl•H2O R 3 3

09.CO.10 Taseqite! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 R 3m 3m

09.CO.10 Aqualite! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl R 3m 3m

09.CO.10 Raslakite! Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) R 3m 3m

09.CO.10 Feklichevite! Na11Ca9(Fe,Fe)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 R 3m 3m

09.CO.10 Ikranite! (Na,H3O)15(Ca,Mn,REE)6Fe2Zr3([],Zr)([],Si)Si24O66(O,OH)6Cl•2-3H2O R 3m 3m

09.CO.10 Khomyakovite! Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m

09.CO.10 Manganokhomyakovite! Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3m 3m

09.CO.10 Oneillite! Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 R 3 3

09.CO.10 Ferrokentbrooksite! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 R 3m 3m

09.CO.10 Rastsvetaevite! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 R 3m 3m

09.CO.10 Johnsenite-(Ce)! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 R 3m 3m

09.CO.10 Georgbarsanovite! Na12(Mn,Sr,REE)3Ca6Fe3Zr3NbSi25O76Cl2•H2O R 3m 3m

09.CO.10 Golyshevite! (Na,Ca)10Ca9(Fe,Fe)2Zr3NbSi25O72(CO3)(OH)3•H2O R 3m 3m

09.CO.10 Dualite! Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 R 3m 3m

Other Golyshevite Information

References:

NAME( AmMin, v92:1539) PHYS. PROP.(AmMin, v92:1539) OPTIC PROP.(AmMin, v92:1539)

See Also:

Links to other databases for Golyshevite :
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
10 - Ruff.Info

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Golyshevite

(Na,Ca)10Ca9(Fe+++,Fe++)2Zr3NbSi25O72(CO3)(OH)3•H2O
Dana No: 64.01.01.19 Strunz No: 09.CO.10
Locality:

Notes: