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Yafsoanite

Collectors Summary

Color hellbraun, dunkelbraun
Lustre Glasglanz
Hardness (Mohs) 5.5
Solubility +++ Säuren
Crystal System kubisch, Ia3d
Morphology kubisch

Chemism

Chem­ical formula

Ca3Te6+2Zn3O12

Empir­ical formula (anal­y­sis)

(Ca2.62Pb0.50)Zn2.64(Te1.04O6)2

Chem­ical com­po­si­tion

Calcium, Tellur, Zink, Sauerstoff

Unit weight: 838.698624 u; Number of atoms in the formula: 19.84

Info

Empirical formula:

(Ca2.62Pb0.50)Zn2.64(Te1.04O6)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

22.89

12

60.48

15.9994300

191.9931600

Calcium

Ca

12.52

2.62

13.21

40.0784000

105.0054080

Zinc

Zn

20.59

2.64

13.31

65.4094000

172.6808160

Tellurium

Te

31.65

2.08

10.48

127.6030000

265.4142400

Lead

Pb

12.35

0.5

2.52

207.2100000

103.6050000

Anal­y­sis wt%

ZnO : 28.93, PbO : 12.70, CaO : 16.75, TeO3 : 41.62 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

4.CC.25

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
C: Metall: Sauerstoff = 2: 3,3: 5, und vergleichbare
C: Mit großen und mittelgroßen Kationen
25:Yafsoanit-Gruppe

Lapis Clas­sifica­tion

IV/K.15-030

IV: OXIDE
K: Sulfite, Selenite, Tellurite
15: Tellurate mit [Te6+O6] 6--Gruppen und verwandte Strukturen

Clas­sifica­tion by Hölzel

4.DM.180

4: OXIDES
D: Dioxides
M: Oxides with Garnet structure

Dana 8th edi­tion

07.02.14.01

07: Multiple Oxides
02: Multiple Oxides (A+ B++)2 X4 Spinel group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Garnet supergroup  ⇒ Oxide garnets (Z charge 6)

Optical Properties

Color

hellbraun, dunkelbraun

Diaphane­ity (Trans­parency)

transparent, durchscheinend

Lus­tre

Glasglanz

RI value α / ω / n

1.800

Ri mean

1.800

2V angle

Isotropisch

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

230

Space Group

Ia3d

Cell param­e­ters a (Å)

12.635

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

8

Volumne (ų)

2017.092

Kristall struc­ture

aufgeklärt, Struktur vom Granat-Typ

X-Ray Pow­der Diffrac­tion

4.47(30),
3.16(80),
2.821(90),
2.581(100),
1.751(30),
1.683(100),
1.577(30),
1.024(50)

XRD chart Yafsoanite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Morphol­ogy

kubisch

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

5.5

VHN (Hard­ness Vick­ers)

696 (30g)

Density (g/cm³)

5.54 (berechnet) 5.4 - 5.55 (gemessen)

5.523 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ Säuren

(Co-)Type locality

(Co-)Type locality

Russland/Ferner Osten, Föderationskreis/Sacha (Jakutija, Jakutien, Yakutia), Republik/Aldan/Kuranakh

Type mate­r­ial

Geological Museum, Yakutsk Scientific Center, Academy of Sciences, Yakutsk, Russland

A. E. Fersman Mineralogical Museum, Academy of Sciences, Moskow, Russland

Col­lec­tion number of type mate­r­ial

mk-111 (Yakutsk); 84397 (Moskau)

Preface

Name from

Für die Yakutskii Filial Sibirskogo Otdeleniya Akademii Nauk (Yakut Filiale, Sibirische Abteilung der Akademie der Wissenschaften, YAFSOAN in Russisch).

Author (Name, Year)

Kim & Zayakina & Lavrent'ev, 1982

References

Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 111 (1982), 118

Stuart J. Mills, Anthony R. Kampf, Uwe Kolitsch, Robert M. Housley, Mati Raudsepp: The crystal chemistry and crystal structure of kuksite, Pb3Zn3Te6+P2O14, and a note on the crystal structure of yafsoanite, (Ca,Pb)3Zn(TeO6)2. American Mineralogist 95 (2010) - [Struktur ermittelt, Struktur vom Granat-Typ]

Grew, E.S., Locock, A.J., Mills, S.J., Galuskina, I.O., Galuskin, E.V., Halenius, U., 2012; Nomenclature of the garnet supergroup. American Mineralogist; preprint December 2012 - [Formel]

IMA group assignments

 
neue Definition: {X3}[Y2](Z3)φ12
kubisch
 


 
 
 
Ca3Te6+2Zn3O12
kubisch
Ia3d

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Actuality: 26. Nov 2021 - 19:03:07

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Yafsoanite

Ca3Te6+2Zn3O12

kubisch : m3m : Ia3d

4.CC.25

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Frankhawthorneite

Cu2[(OH)2|TeO4]

monoklin : 2/m : P21/n

IV/K.15-010

Ottoite

Pb2TeO5

monoklin : m : Cc

IV/K.15-011

Xocomecatlite

Cu3Te6+O4(OH)4

IV/K.15-012

Brumadoite

Cu3(Te6+O4)(OH)4·5H2O

monoklin : 2/m oder 2 : P21/m oder P21

IV/K.15-013

Mcalpineite

Cu3[TeO6]·H2O

IV/K.15-015

Jensenite

Cu32+[Te6+O6]·2H2O

monoklin : 2/m : P21/n

IV/K.15-016

Leisingite

Cu2MgTe6+O6·6H2O

trigonal : 3m : P31m

IV/K.15-018

Utahite

MgCu2+4Zn2Te6+3O14(OH)4∙6H2O

triklin : 1 : P1

IV/K.15-019

Cuzticite

Fe23+Te6+O6·3H2O

IV/K.15-020

Yafsoanite

Ca3Te6+2Zn3O12

kubisch : m3m : Ia3d

IV/K.15-030

Xocolatlite

Ca2Mn4+2Te6+2O12·H2O

monoklin : 2, 2/m, 2, 2, 2/m : P2, P2/m, Pm, P21, P21/m

IV/K.15-035

Khinite

Cu2+3PbTe6+O6(OH)2

orthorhombisch : mmm : Fddd

IV/K.15-040

Timroseite

Pb2Cu5(TeO6)2(OH)2

orthorhombisch : mm2 : P21nm

IV/K.15-045

Paratimroseite

Pb2Cu4(TeO6)2(H2O)2

orthorhombisch : 222 : P212121

IV/K.15-050

Markcooperite

Pb2(UO2)TeO6

monoklin : 2/m : P21/C

IV/K.15-060

Kuranakhite

PbMn4+Te6+O6

IV/K.15-070

'Montanite'

Bi2Te6+O6·2H2O

IV/K.15-080

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Bitikleite

{Ca3}[Sb5+Sn4+](Al3)O12

kubisch : m3m : Ia3d

4.DM.100

Dzhuluite

{Ca3}[Sb5+Sn4+](Fe3+3)O12

kubisch : m3m : Ia3d

4.DM.110

Usturite

{Ca3}[Sb5+Zr](Fe3+3)O12

kubisch : m3m : Ia3d

4.DM.150

Elbrusite

{Ca3}[U6+0.5Zr1.5](Fe3+3)O12

kubisch : m3m : Ia3d

4.DM.160

Yafsoanite

Ca3Te6+2Zn3O12

kubisch : m3m : Ia3d

4.DM.180

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Marokite

CaMn23+O4

orthorhombisch : mmm, mm2 : Pmab, P21ab

07.02.10.01

Magnesiotaaffeite-6N'3S

(Mg,Fe2+,Zn)2Al6BeO12

trigonal : 3m : R3m

07.02.12.01

Filipstadite

(Mn2+,Mg)2(Fe3+0.5Sb5+0.5)O4

kubisch : m3m : Fd3m

07.02.13.01

Tegengrenite

(Mg,Mn2+)2(Sb5+,Mn3+)O4

trigonal : 3, 3 : R3, R3

07.02.13.02

Yafsoanite

Ca3Te6+2Zn3O12

kubisch : m3m : Ia3d

07.02.14.01

CNMNC (IMA)-Number

IMA 1981-022

CNMNC symbol

Symbol

Yaf

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