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Varlamoffite

Pictures (5 Images total)

Varlamoffit
Views (Image: 1453894894): 1700
Varlamoffit

Bildbreite: 1 mm; Fundort: Genna Zinkhütte, Iserlohn-Letmathe, Sauerland, Nordrhein-Westfalen, Deutschland

Collection: anatase2
Copyright: derhesse
Contribution: derhesse 2016-01-27
Locality: Genna Zinkhütte / Letmathe / Iserlohn / Märkischer Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland
Varlamoffit
Views (Image: 1272047973): 1175
Varlamoffit

Größe: 8 cm, Fundort: Gunheath China Clay Pit, Stenaless, Luxulyan, St Austell, Cornwall, England, UK

Copyright: Richard De Nul
Contribution: thdun5 2010-04-23
Locality: Gunheath Pit / Stenaless / Luxulian Area / St. Austell District / Cornwall Co. / England / UK
Varlamoffit
Views (Image: 1300971836): 1680
Varlamoffit

Beigefarbene Varlamoffitbäumchen von der Schlackenhalde Genna, Lethmate, Sauerland, Nordrhein-Westfalen, Deutschland. Bildbreite: 3 mm.

Collection: raritätenjäger
Copyright: raritätenjäger
Contribution: raritätenjäger 2011-03-24
Locality: Genna Zinkhütte / Letmathe / Iserlohn / Märkischer Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland
Varlamoffit
Views (Image: 1442754949): 886
Varlamoffit (SNr: A034438)

Körnige gelbe Kristalle, Bb = 2,8 mm. Fundort: Genna Zinkhütte, Iserlohn-Letmathe, Sauerland, Nordrhein-Westfalen, Deutschland.

Collection: Lithothek der Münchener Micromounter
Copyright: Bebo
Contribution: Münchener Micromounter 2015-09-20
Locality: Genna Zinkhütte / Letmathe / Iserlohn / Märkischer Kreis / Arnsberg, Bezirk / Nordrhein-Westfalen / Deutschland
Varlamoffit
Views (Image: 1548539507): 460
Varlamoffit (SNr: A040503)

Gelber Varlamoffit mit Kassiterit. Tagebau Hubr bei Horní Slavkov (BB 10mm).

Collection: Lithothek der Münchener Micromounter
Copyright: Lynx
Contribution: Lynx 2019-01-26
Locality: Huberstock (Hubr; Huber open pit; Hubský peň) / Schönfeld (Krásno) / Schlaggenwald (Horní Slavkov) / Falkenau an der Eger (Sokolov), Bezirk / Karlsbad (Karlovarsky kraj) / Tschechien

Collectors Summary

Color gelb, orange rot
Streak color hellgelb
Solubility +++ HCl
Crystal System tetragonal, P42/mnm

Chemism

Chem­ical formula

(Sn,Fe)(O,OH)2

Chem­ical com­po­si­tion

Eisen, Zinn, Sauerstoff, Wasserstoff

Unit weight: 135.4971585 u; Number of atoms in the formula: 3.5

Info

Empirical formula:

(Sn0.75Fe0.25)(O0.75(OH)0.25)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.37

0.5

14.29

1.0079470

0.5039735

Oxygen

O

23.62

2

57.14

15.9994300

31.9988600

Iron

Fe

10.30

0.25

7.14

55.8452000

13.9613000

Tin

Sn

65.71

0.75

21.43

118.7107000

89.0330250

Strunz 9th edi­tion incl. updates

4.DB.05

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
B: Mit mittelgroßen [Kationen]: Ketten kantenverknüpfter Oktaeder
05:Rutil-Gruppe

Lapis Clas­sifica­tion

IV/F.18-010

IV: OXIDE
F: Hydroxide und oxidische Hydrate (wasserhaltige Oxide mit Schichtstruktur)

Clas­sifica­tion by Hölzel

4.DD.150

4: OXIDES
D: Dioxides
D: Rutile-Group
1: Monorutiles

IMA sta­tus

Status fragwürdig

Min­eral sta­tus

Mineralstatus fragwürdig

Optical Properties

Color

gelb, orange rot

Streak color

hellgelb

Diaphane­ity (Trans­parency)

durchscheinend bis opak

Crystallography

Crystal Sys­tem

tetragonal

Class (H-M)

4/mmm

Space Group number

136

Space Group

P42/mnm

Cell param­e­ters a (Å)

4.71

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

3.13

Cell param­e­ters a/b or c/a

0.665

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

1

Volumne (ų)

69.436

X-Ray Pow­der Diffrac­tion

3.330(100),
2.632(80),
2.370(40),
1.757(70),
1.673(40)

XRD chart Varlamoffite

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

Physical Properties

Density (g/cm³)

3.26 (berechnet) 2.6 (gemessen)

3.24 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HCl

(Co-)Type locality

(Co-)Type locality

Demokratische Republik Kongo/Maniema, Provinz/Kalima

Preface

Author (Name, Year)

De Dycker, 1947

References

Mineralogicheskiy Zhurnal 15 (1993) (4), 94

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

Rutile

TiO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Argutite

GeO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Pyrolusite

MnO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Tripuhyite

Fe3+Sb5+O4

tetragonal : 4/mmm : P42/mnm

4.DB.05

Cassiterite

SnO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Plattnerite

PbO2

tetragonal : 4/mmm : P42/mnm

4.DB.05

'Strüverite' (Var.v. Rutile)

(Ti,Ta,Fe2+)O2

tetragonal : 4/mmm : P42/mnm

4.DB.05

'Ilmenorutile' (Var.v. Rutile)

(Ti,Nb,Fe2+)O2

tetragonal : 4/mmm : P42/mnm

4.DB.05

Tugarinovite

MoO2

monoklin : 2/m : P21/c

4.DB.05

'Varlamoffite'

(Sn,Fe)(O,OH)2

tetragonal : 4/mmm : P42/mnm

4.DB.05

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

'Varlamoffite'

(Sn,Fe)(O,OH)2

tetragonal : 4/mmm : P42/mnm

IV/F.18-010

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

Rutile

TiO2

tetragonal : 4/mmm : P42/mnm

4.DD.100

'Sagenite' (Var.v. Rutile)

4.DD.105

Argutite

GeO2

tetragonal : 4/mmm : P42/mnm

4.DD.120

Cassiterite

SnO2

tetragonal : 4/mmm : P42/mnm

4.DD.140

'Varlamoffite'

(Sn,Fe)(O,OH)2

tetragonal : 4/mmm : P42/mnm

4.DD.150

Plattnerite

PbO2

tetragonal : 4/mmm : P42/mnm

4.DD.170

Other languages

German

Varlamoffit

Spanish

Varlamoffita

English

Varlamoffite

French

Varlamoffite

Russian

Варламовит

Simplified Chinese

水锡石

Alternative Name

Souxit

Souxita

Souxite

CNMNC symbol

Symbol

Vlm

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Varlamoffit
Google-Bilder-Suche - search for: Varlamoffit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Varlamoffit

English pages

Mindat - search for: Varlamoffite
Webmineral - search for:Varlamoffite
Handbook-of-Mineralogy - search for: Varlamoffite
RRUFF - Raman, XRD and other mineral data - search for: Varlamoffite
RRUFF - References and PDF downloads - search for: Varlamoffite
American-Mineralogist-Crystal-Structure-Database - search for: Varlamoffite
Athena - search for: Varlamoffite
Strahlen.org - search for: Varlamoffite
Mineralienatls.de (Forum) - search for: Varlamoffit

Russian pages

Webmineral.ru - search for: Варламовит

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Varlamoffit
Crystal-Treasure.com - search for: Varlamoffit
Bosse - search for: Varlamoffit
Edelsteine Neuburg - Gundolf Fischer - search for: Varlamoffit

Locations with GPS information