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Varlamoffite

Pictures (5 Images total)

Varlamoffit
Views (Image: 1453894894): 1588
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): 1137
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): 1634
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): 844
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): 419
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, Region (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

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

Russian pages

Webmineral.ru - search for: Варламовит

Mineral Dealer

German pages

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Crystal-Treasure.com - search for: Varlamoffit
Bosse - search for: Varlamoffit

Locations with GPS information